2025
Chemistry Paper ONE.AQA
Combined Science.
, 1:
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"
Chemistry Paper ONE.AQA
Combined Science.
, 1:
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"
