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