Page |1
AQA GCSE Combined Science Trilogy -
Chemistry - Paper 2 Questions and Correct
Answers/ Latest Update / Already Graded
pure substance
Ans: single element, compound or substance not mixed with
another substance
physical processes
Ans: mixtures can be separated by...
simple distillation
Ans: evaporating water and condensing it in a separate
container
fractional distillation
Ans: evaporating liquids with different boiling points
filtration
Ans: screening and sieving to remove solids
All rights reserved © 2025/ 2026 |
, Page |2
chromatography
Ans: using a solvent to separate pigments so you can identify
them
crystallisation
Ans: evaporating a solution to a small volume and leaving it to
cool to form crystals
chemically bonded
Ans: a mixture is made from different substances that aren't...
a mixture designed for a use
Ans: a formulation is...
mixing components in carefully measured amounts
Ans: a formulation is made by...
the solvent moves through the paper
Ans: in paper chromatography...
All rights reserved © 2025/ 2026 |
, Page |3
different compounds to different distances depending on their
attraction to the paper and solvent
Ans: chromatography carries...
distance moved by compound ÷ distance moved by solvent
Ans: Rf value =
single spot in all solvents
Ans: in chromatography, a pure compound produces a...
damp blue litmus paper red and then bleaches it white
Ans: chlorine turns...
glowing splint relight
Ans: oxygen gas test makes a...
squeaky pop sound
Ans: hydrogen gas test makes a...
limewater go cloudy
All rights reserved © 2025/ 2026 |
, Page |4
Ans: carbon dioxide gas test makes...
warmth, shelter, food and transport
Ans: the Earth provides humans with...
food, timber, clothing and fuels
Ans: natural resources along with agriculture give us...
processes to make energy and materials
Ans: finite resources involve...
there is only a certain amount of them
Ans: finite means...
using the Earth's resources in a way that can continue in the future.
Ans: sustainable resources involves...
meet the needs of people today without impacting on the needs of
people in the future
All rights reserved © 2025/ 2026 |
AQA GCSE Combined Science Trilogy -
Chemistry - Paper 2 Questions and Correct
Answers/ Latest Update / Already Graded
pure substance
Ans: single element, compound or substance not mixed with
another substance
physical processes
Ans: mixtures can be separated by...
simple distillation
Ans: evaporating water and condensing it in a separate
container
fractional distillation
Ans: evaporating liquids with different boiling points
filtration
Ans: screening and sieving to remove solids
All rights reserved © 2025/ 2026 |
, Page |2
chromatography
Ans: using a solvent to separate pigments so you can identify
them
crystallisation
Ans: evaporating a solution to a small volume and leaving it to
cool to form crystals
chemically bonded
Ans: a mixture is made from different substances that aren't...
a mixture designed for a use
Ans: a formulation is...
mixing components in carefully measured amounts
Ans: a formulation is made by...
the solvent moves through the paper
Ans: in paper chromatography...
All rights reserved © 2025/ 2026 |
, Page |3
different compounds to different distances depending on their
attraction to the paper and solvent
Ans: chromatography carries...
distance moved by compound ÷ distance moved by solvent
Ans: Rf value =
single spot in all solvents
Ans: in chromatography, a pure compound produces a...
damp blue litmus paper red and then bleaches it white
Ans: chlorine turns...
glowing splint relight
Ans: oxygen gas test makes a...
squeaky pop sound
Ans: hydrogen gas test makes a...
limewater go cloudy
All rights reserved © 2025/ 2026 |
, Page |4
Ans: carbon dioxide gas test makes...
warmth, shelter, food and transport
Ans: the Earth provides humans with...
food, timber, clothing and fuels
Ans: natural resources along with agriculture give us...
processes to make energy and materials
Ans: finite resources involve...
there is only a certain amount of them
Ans: finite means...
using the Earth's resources in a way that can continue in the future.
Ans: sustainable resources involves...
meet the needs of people today without impacting on the needs of
people in the future
All rights reserved © 2025/ 2026 |
