GCSE AQA May 2024 Higher Combined Science:
Trilogy Chemistry Paper 1H Mark Scheme With Well
Revised Answers
What are all substances made out of? - Correct Answer>>Atoms
One type of atoms joined together - Correct Answer>>Elements
Two or more elements chemically bonded - Correct Answer>>Compounds
Two or more elements not chemically bonded - Correct Answer>>Mixtures
Why do scientists use chemical formulae? - Correct Answer>>To find out how
many compounds are in each element
How are compounds separated? - Correct Answer>>Electrolysis
What are the reactants? - Correct Answer>>Substances that are reacted
What are the products? - Correct Answer>>The new substances that are formed
What is filtration? - Correct Answer>>Separate soluble solutions from insoluble
solutions
What is Crystallization? - Correct Answer>>Obtaining a soluble from a solution
What is Simple Distillation? - Correct Answer>>Obtaining a solvent from solution
, What is Fractional Distillation? - Correct Answer>>Separating mixtures with
different boiling points
What is Chromatography? - Correct Answer>>Separating the different soluble,
coloured components of a mixture
What is the 'Plum Pudding Model'? - Correct Answer>>JJ Thomson believes
electrons were surrounded by a sea of positive charge
How did Rutherford improve the arrangement of the atom? - Correct Answer>>He
created a nucleus, containing protons and neutrons
How did Bohr improve the arrangement of the atom? - Correct Answer>>He
created the shells which the electrons would orbit around
What was the relative mass of the proton? - Correct Answer>>1
What was the relative mass of the neutron? - Correct Answer>>1
What was the relative mass of the electron? - Correct Answer>>1/1840
What was the relative charge of the proton? - Correct Answer>>+1
What was the relative charge of the electron? - Correct Answer>>-1
Trilogy Chemistry Paper 1H Mark Scheme With Well
Revised Answers
What are all substances made out of? - Correct Answer>>Atoms
One type of atoms joined together - Correct Answer>>Elements
Two or more elements chemically bonded - Correct Answer>>Compounds
Two or more elements not chemically bonded - Correct Answer>>Mixtures
Why do scientists use chemical formulae? - Correct Answer>>To find out how
many compounds are in each element
How are compounds separated? - Correct Answer>>Electrolysis
What are the reactants? - Correct Answer>>Substances that are reacted
What are the products? - Correct Answer>>The new substances that are formed
What is filtration? - Correct Answer>>Separate soluble solutions from insoluble
solutions
What is Crystallization? - Correct Answer>>Obtaining a soluble from a solution
What is Simple Distillation? - Correct Answer>>Obtaining a solvent from solution
, What is Fractional Distillation? - Correct Answer>>Separating mixtures with
different boiling points
What is Chromatography? - Correct Answer>>Separating the different soluble,
coloured components of a mixture
What is the 'Plum Pudding Model'? - Correct Answer>>JJ Thomson believes
electrons were surrounded by a sea of positive charge
How did Rutherford improve the arrangement of the atom? - Correct Answer>>He
created a nucleus, containing protons and neutrons
How did Bohr improve the arrangement of the atom? - Correct Answer>>He
created the shells which the electrons would orbit around
What was the relative mass of the proton? - Correct Answer>>1
What was the relative mass of the neutron? - Correct Answer>>1
What was the relative mass of the electron? - Correct Answer>>1/1840
What was the relative charge of the proton? - Correct Answer>>+1
What was the relative charge of the electron? - Correct Answer>>-1
