5.1Atomic structure and the periodic table
5.1.1A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
04.3 — Completing a cracking equation for a large hydrocarbon
5.2Bonding, structure, and the properties of matter
5.2.2How bonding and structure are related to the properties of substances
01.7 — Explaining why water vapour rather than liquid water forms when diesel burns
03.1 — Explaining a mass decrease in a gas-producing reaction
05.2 — Explaining why a reaction mixture becomes cloudy
04.3 — Explaining why potassium chloride has a high melting point
07.1 — Explaining why sulfur dioxide has a low boiling point
5.3Quantitative chemistry
5.3.1Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations
05.4 — Completing and balancing an equation for a catalytic converter reaction
04.9 — Writing a balanced equation for methanol production from carbon dioxide
04.3 — Giving the molecular formula and relative formula mass of paracetamol
04.4 — Calculating moles of acetylsalicylic acid in standard form
5.3.2Use of amount of substance in relation to masses of pure substances
04.2 — Calculating moles of ammonium nitrate in standard form (5.8.1.2 formulation context noted)
06.1 — Calculating total mass of gold in a given number of smartphones
06.2 — Calculating total number of gold atoms in one smartphone
06.3 — Calculating the mass of calcium sulfite produced from calcium oxide (5.3.1.2, 5.3.2.1 noted)
01.4 — Calculating mass of dissolved solids in a given volume from a concentration
04.2 — Calculating moles of copper from a given concentration (5.3.2.1 noted)
04.5 — Calculating mass of dissolved solid in a larger water volume, in standard form
02.3 — Calculating concentration of sodium chloride in g/dm3
5.6The rate and extent of chemical change
5.6.1Rates of reaction
03.5 — Determining rate of reaction from a tangent gradient, with unit
05.2 — Describing the trend in a rate-of-reaction graph
05.3 — Describing how to find the rate of reaction at 15 seconds from a graph
05.4 — Giving the units for rate of reaction
05.5 — Concluding how marble chip size affects reaction rate
05.6 — Explaining why all marble chip sizes produce the same maximum gas volume
05.3 — Plotting rate-of-reaction data and drawing a line of best fit [Figure — print if needed]
05.4 — Describing changes in the rate of a reaction over time
02.2 — Calculating mean rate of reaction from a mass-loss graph
01.2 — Plotting rate data and drawing a line of best fit
01.3 — Identifying how rate of reaction changes with time from a table
03.3 — Plotting rate-of-reaction data and drawing a line of best fit
03.4 — Calculating the gradient of a tangent to determine rate, with unit
06.7 — Determining rate of reaction from a tangent to 3 significant figures
05.7 — Determining rate of reaction at a given time from a tangent
05.6 — Determining rate of reaction from a tangent at a given time
03.1 — Planning an investigation into the effect of concentration on reaction rate
03.2 — Reading a gas volume from a syringe diagram
03.3 — Plotting rate data and drawing a line of best fit
03.4 — Concluding how rate changed with increased acid concentration
05.1 — Completing the equation for marble chips reacting with hydrochloric acid
05.7 — Calculating the surface area of a large cube from small-cube data
05.1 — Identifying the correct ionic equation within a rate investigation (5.1.1.1 noted)
02.1 — Describing an improved method for a temperature-rate investigation
01.1 — Giving the independent and one control variable in a rate investigation
01.4 — Identifying the correct effect of increased acid concentration
03.2 — Identifying the type of variable that is time in a rate investigation
02.1 — Describing a method to produce valid results for particle-size rate investigation
05.1 — Identifying the dependent variable in a rate investigation
05.4 — Explaining why a stopper is inserted quickly in a gas-collecting investigation
03.6 — Explaining in terms of particles why rate decreases during a reaction
05.8 — Explaining the effect of chip size on rate using collision theory
05.9 — Explaining why lower acid concentration changes the results, in terms of collisions
05.5 — Explaining why reaction rate changes using collision theory
01.5 — Explaining the effect of temperature on rate using particles and collisions
03.5 — Explaining why reaction rate decreases over time in terms of particles and collisions
06.6 — Explaining why reaction rate is independent of hydrogen peroxide volume, in terms of particles
02.2 — Explaining the effect of increased temperature on reaction rate
05.3 — Explaining the effect of concentration on rate of reaction, in terms of particles and collisions
04.3 — Identifying what reaction profiles show about a catalyst's effect on energy change
02.3 — Drawing a predicted curve for a reaction at a higher temperature
06.2 — Explaining how a catalyst increases reaction rate
06.4 — Suggesting the effect of a catalyst on equilibrium position, with reason
06.1 — Identifying the type of substance a biological catalyst is
06.2 — Explaining how a catalyst increases reaction rate
06.2 — Explaining why a smaller gas volume gives less accurate results
06.3 — Suggesting a systematic error source in a rate investigation
06.4 — Plotting rate data and drawing a line of best fit
06.5 — Identifying the fastest catalyst from a graph, with reason
02.3 — Explaining what is meant by a catalyst
02.4 — Identifying the name for biological catalysts
04.5 — Identifying the effect of a catalyst on methanol proportion
04.7 — Explaining the effect of a catalyst on rate of methanol production
5.6.2Reversible reactions and dynamic equilibrium
06.2 — Explaining why equilibrium is reached in a reversible reaction
05.2 — Identifying the type of particle interaction in a metal-acid reaction (spec ref uncertain — flagged for review)
03.1 — Suggesting how copper sulfate tests for the presence of water
04.4 — Identifying what the reversible reaction symbol means
05.1 — Identifying the energy transferred during the reverse reaction
04.2 — Identifying the energy transferred in the reverse reaction
06.3 — Explaining the effect on equilibrium of adding more hydrochloric acid
07.1 — Describing how a reaction reaches equilibrium
06.3 — Explaining how an equilibrium is reached
06.4 — Describing how a reversible reaction reaches equilibrium
05.5 — Suggesting the effect of a catalyst on equilibrium position, with reason
05.6 — Determining time to reach equilibrium from a graph, with explanation
06.3 — Identifying what Le Chatelier's Principle predicts
04.3 — Naming the scientist behind the equilibrium-shift principle
05.2 — Identifying the equilibrium shift on increasing oxygen concentration
07.2 — Predicting the effect of temperature on equilibrium yield using Le Chatelier's Principle
06.4 — Predicting the effect of increasing temperature on equilibrium using Le Chatelier's Principle
07.3 — Explaining the effect of increased temperature on an equilibrium position
06.6 — Explaining the effect of increased temperature on ammonia yield
06.6 — Explaining the effect of increased temperature on ammonia yield
04.5 — Identifying the equilibrium shift for an exothermic reaction on heating
05.4 — Identifying the equilibrium shift on increasing temperature
04.4 — Identifying the effect of increased temperature on methanol proportion
07.3 — Predicting the effect of pressure on equilibrium yield using Le Chatelier's Principle
06.5 — Explaining the effect of increasing pressure on a gaseous equilibrium
06.2 — Explaining the effect on equilibrium of removing sulfur trioxide (5.6.2.5 noted)
07.2 — Explaining the effect of increased pressure on an equilibrium position
06.5 — Identifying the effect of increased pressure on ammonia yield
06.5 — Explaining the effect of increased pressure on ammonia yield
05.3 — Identifying the equilibrium shift on decreasing pressure
04.6 — Explaining the effect of increased pressure on methanol proportion
5.7Organic chemistry
5.7.1Carbon compounds as fuels and feedstock
01.3 — Naming an alkane from a displayed structural formula
01.4 — Identifying the general formula for alkanes
05.1 — Describing how crude oil is formed
05.3 — Identifying the general formula for alkanes
02.1 — Completing a sentence about the origin of crude oil
02.2 — Naming an alkane with three carbon atoms
04.1 — Naming an alkane from a molecular model
04.2 — Identifying what is meant by a hydrocarbon
03.5 — Identifying an alkene from a list of formulae
01.1 — Defining the term hydrocarbon
01.2 — Determining the molecular formula of an alkane with 10 carbon atoms
01.1 — Completing the molecular formula of dodecane
03.2 — Defining the term hydrocarbon
02.2 — Describing the differences between cracking and distillation
01.1 — Identifying the term for a fraction changing from vapour to liquid in distillation
01.2 — Explaining why fractions separate during fractional distillation
07.1 — Describing how crude oil is separated into fractions
05.2 — Describing how crude oil is separated by fractional distillation
03.2 — Describing how crude oil is separated into fractions
01.3 — Explaining how crude oil is separated into fractions
03.3 — Calculating the volume of petrol in a quantity of crude oil
03.4 — Identifying a useful material produced by the petrochemical industry
01.5 — Balancing the equation for methane combustion
01.1 — Balancing the equation for propane combustion
05.4 — Explaining the trend in alkane boiling points
05.5 — Predicting the trend in a property across a series of alkanes, with reason
02.3 — Comparing the structure and properties of methane and hexane
01.1 — Balancing the equation for methane combustion
01.2 — Comparing properties of petrol and diesel using given data
01.2 — Suggesting why a water bath was used to heat dodecane
01.3 — Giving a control variable in a viscosity investigation
01.4 — Predicting a time value by extrapolating a line of best fit
01.5 — Explaining how a graph trend shows the effect of temperature on viscosity
02.1 — Balancing an equation for cracking a large hydrocarbon
02.3 — Identifying the type of reaction that cracking is
01.6 — Identifying the test reagent for alkenes
01.3 — Completing a cracking equation for propane
01.5 — Describing the test for alkenes, with colour change
02.4 — Completing a cracking equation for decane
02.5 — Describing the test for alkenes, with result
04.4 — Explaining why a cracking product is in high demand
03.3 — Explaining why alkanes are cracked
01.4 — Balancing a cracking equation for a large alkane
01.5 — Describing the test for alkenes, with result
01.6 — Identifying the type of substance poly(propene) is
03.5 — Naming another method of cracking hydrocarbons
03.6 — Describing a test for an alkene product of cracking
5.8Chemical analysis
5.8.1Purity, formulations and chromatography
03.3 — Describing the difference between potable water and pure water
01.2 — Describing a test for pure water, with result
03.2 — Identifying what is meant by a pure substance
03.3 — Calculating mass of impurity from boiling point elevation data
04.3 — Describing a test to confirm distilled water is pure
04.1 — Identifying what is meant by a formulation
04.2 — Suggesting a substance to add to a medicine to increase appeal to children
04.1 — Identifying what is meant by a formulation
03.1 — Identifying what is meant by a formulation
01.3 — Identifying the common element in three fuel-burning pollutant gases
03.1 — Giving two reasons why crude oil is not a formulation (5.7.1.1 noted)
04.1 — Defining the term formulation
05.1 — Explaining how paper chromatography separates substances
05.2 — Analysing a chromatogram to describe and explain the result for black ink
05.3 — Calculating the Rf value of a colour from a chromatogram
03.2 — Explaining how paper chromatography separates dyes
03.3 — Explaining how a chromatogram shows more than one dye is present
03.4 — Explaining how chromatography can identify unknown dyes
01.1 — Giving two errors made in a chromatography experiment and their effects
01.2 — Giving two conclusions about ink colours from a chromatogram
01.3 — Identifying why a colour remained on the start line
01.4 — Calculating distance moved by solvent from an Rf value
02.1 — Identifying the stationary phase in chromatography
02.2 — Explaining why substances separate in the mobile phase
02.3 — Identifying the number of spots for a pure compound
02.4 — Calculating the Rf value of a colour
02.5 — Planning a chromatography experiment to separate and identify dyes
04.1 — Explaining why a colour did not move from the start line
04.2 — Calculating distance moved by solvent from an Rf value
04.3 — Suggesting why only three of four colours were visible
04.4 — Suggesting how chromatography could show a fourth colour is present
5.8.2Identification of common gases
01.4 — Describing the test for hydrogen, with result
03.4 — Describing a test to identify the gas produced by cracking
05.5 — Describing a test for hydrogen gas, with result
06.1 — Giving the test and result for oxygen gas
06.1 — Describing a test to identify oxygen gas
02.1 — Describing the test for oxygen gas, with result
01.2 — Describing the test for carbon dioxide, with result
06.1 — Explaining how to test a gas mixture for absence of carbon dioxide
06.1 — Giving the test and result for chlorine gas
04.6 — Describing a test to identify the gas used to sterilise water
5.9Chemistry of the atmosphere
5.9.1The composition and evolution of the Earth's atmosphere
01.4 — Identifying the atmospheric source of nitrogen in oxides of nitrogen
02.5 — Explaining how atmospheric gas percentages have changed since Earth's early atmosphere
05.1 — Explaining the main changes in nitrogen and oxygen amounts in Earth's atmosphere
06.1 — Giving another way atmospheric carbon dioxide decreased over time
06.2 — Determining maximum mass of carbon dioxide in the atmosphere from a graph
06.3 — Describing processes causing atmospheric CO2 changes over 4.6 billion years
05.2 — Describing how coal formed from early-atmosphere carbon dioxide
05.3 — Explaining how planting trees reduces global warming
03.1 — Describing how crude oil was formed
02.2 — Explaining how gas percentages changed from Earth's early to present atmosphere
5.9.2Greenhouse gases, global climate change and the carbon footprint
06.2 — Describing the greenhouse effect
06.3 — Calculating percentage increase in CO2 concentration over a time period
06.4 — Reading a global temperature value from a graph
07.4 — Describing the greenhouse effect in terms of radiation wavelengths
06.1 — Identifying the correct order of greenhouse effect stages
05.2 — Explaining how greenhouse gases cause global warming
06.5 — Discussing why a causal statement about CO2 and temperature is only partially true
02.1 — Identifying another greenhouse gas besides carbon dioxide
04.4 — Suggesting why producing ethanol from carbon dioxide is sustainable (5.9.3.1 noted)
02.2 — Giving two effects of global climate change
05.1 — Giving one effect of global climate change
02.3 — Calculating the carbon footprint of a plastic bottle from given data
02.4 — Suggesting a way to reduce CO2 emissions during plastic bottle manufacture
02.3 — Giving two ways to reduce methane emissions
04.8 — Explaining an advantage of a lower production temperature
5.9.3Atmospheric pollutants from fuels
02.1 — Describing how oxides of nitrogen are produced in a car engine
07.2 — Explaining why different combustion products form from butane
07.3 — Balancing the equation for incomplete combustion of butane (5.7.1.3 noted)
03.5 — Suggesting why oxides of nitrogen production increased then decreased
05.1 — Describing how nitrogen dioxide is produced in a car engine
05.2 — Calculating a missing value from a mean and other data
05.3 — Explaining why uncertainty is most significant for the smallest data set
05.3 — Suggesting why coal combustion produces more CO2 than natural gas per kg
01.5 — Identifying the environmental effect of particulates from diesel
01.8 — Explaining the environmental problem caused by sulfur impurity in diesel
03.2 — Suggesting how sulfur dioxide is produced by transport
03.4 — Describing how carbon monoxide is produced by transport
02.4 — Describing how sulfur dioxide emissions are produced
02.6 — Suggesting why sulfur dioxide has decreased since 1980
03.4 — Giving a problem caused by oxides of nitrogen
01.6 — Giving a reason carbon monoxide is difficult to detect
03.3 — Giving two problems caused by sulfur dioxide pollution
03.5 — Writing a balanced equation for a catalytic converter reaction
02.5 — Giving a harmful effect of sulfur dioxide emissions
5.10Using resources
5.10.1Using the Earth's resources and obtaining potable water
04.5 — Identifying what is meant by sustainable development
04.1 — Describing the trend in world copper production
04.2 — Suggesting a reason for the trend in copper production
04.3 — Suggesting why a trend cannot predict future copper production
05.5 — Identifying what is meant by a finite resource
04.5 — Evaluating the sustainability of wood versus plastic window frames
03.1 — Identifying what is meant by a finite resource
01.1 — Identifying the meaning of potable water
01.2 — Identifying why water should be filtered to make it potable
01.3 — Naming a water-sterilising gas and explaining why it is added
01.4 — Describing a relationship shown by a materials-strength graph
03.1 — Calculating a missing mass value from dissolved-solids data
03.2 — Giving an advantage and disadvantage of using a larger water sample volume
03.4 — Describing how groundwater and seawater are treated to produce potable water
03.5 — Calculating the mass of dissolved solids from a percentage
01.1 — Identifying the term for water that is safe to drink
01.3 — Describing a method to determine dissolved solids mass in a river water sample
01.5 — Calculating percentage of maximum allowed sulfate ion mass in drinking water
04.1 — Identifying the type of variable that is dissolved-solids mass
04.2 — Suggesting the cause of an error in a mass-recording step
04.3 — Calculating a missing value from mean and other results
04.4 — Identifying the water sample with greatest range, with reason
03.4 — Explaining how distillation obtains potable water from salty water
02.2 — Identifying the process used to produce potable water from salty water
04.1 — Describing an improvement to obtain valid results for dissolved solids
04.2 — Calculating a missing value from mean and other results
04.7 — Explaining why potable water contains dissolved solids after filtering
06.1 — Giving a disadvantage of distillation for producing potable water
06.2 — Describing another method to produce potable water from sea water
06.3 — Explaining how repeating steps improves a dissolved-solids method
06.4 — Calculating mass of sodium chloride from a percentage composition
03.1 — Completing sentences about waste water treatment
03.2 — Identifying how sewage sludge is treated
03.5 — Explaining why potable water from sea water costs more than from ground water
02.1 — Comparing how easily potable water is obtained from waste water and ground water
04.1 — Describing how copper is produced by phytomining
04.4 — Identifying the correct order of phytomining stages
04.5 — Giving two disadvantages of phytomining compared with traditional mining
05.4 — Describing how bioleaching extracts copper from low-grade ores
05.5 — Calculating mass of ash produced by phytomining in standard form
06.5 — Giving two methods to extract copper from leachate solutions
06.6 — Describing how metal compounds are obtained from plants in phytomining
06.7 — Determining the area of plants required to produce a given mass of nickel
06.3 — Describing how bioleaching is used to extract gold
06.4 — Suggesting reasons phytomining has not been widely used for copper
5.10.2Life cycle assessment and recycling
02.4 — Evaluating a statement about the environmental impact of plastic vs paper bags
01.7 — Explaining why life cycle assessments are carried out
01.8 — Comparing two disposal methods for biodegradable plastic bags using LCA data
02.2 — Evaluating the carbon footprint of three cars using LCA data (5.9.2.2, 5.9.2.4 noted; WS 3.5)
05.6 — Explaining why exhaust CO2 is not the total carbon footprint of a car
03.3 — Calculating percentage decrease in plastic bag use
04.6 — Calculating the difference in energy used between ore extraction and recycling
No questions match your search.
Select a question
📄
Select a question to view the exam paper