AQA GCSE CHEM Quantitative Chemistry MCQs FT

AQA GCSE CHEM Quantitative Chemistry MCQs FT

Assessment

Flashcard

Chemistry

9th - 10th Grade

Hard

Created by

Laura McGuinness-Brown

FREE Resource

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26 questions

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1.

FLASHCARD QUESTION

Front

What does the law of conservation of mass state?

Back

no atoms are lost or made during a chemical reaction so the mass of the products equals the mass of the reactants

2.

FLASHCARD QUESTION

Front

How many different elements are there in calcium carbonate (CaCO3)?

Back

3

3.

FLASHCARD QUESTION

Front

Potassium nitrate has the chemical formula KNO3. What is the total number of atoms in potassium nitrate?

Back

5

4.

FLASHCARD QUESTION

Front

Correctly balanced symbol equation for the reaction between magnesium and oxygen?

Back

2Mg + O2 ==> 2MgO

5.

FLASHCARD QUESTION

Front

Magnesium + oxygen ==> magnesium oxide 3g of magnesium completely reacts with 2g of oxygen. What is the mass of magnesium oxide formed?

Back

6g

6.

FLASHCARD QUESTION

Front

What happens to the mass inside an unsealed test tube when copper carbonate is heated and decomposes into copper oxide and carbon dioxide?

Back

decrease

7.

FLASHCARD QUESTION

Front

What is the relative formula mass of sodium hydroxide (NaOH)? Relative atomic masses (Ar): Na = 23, O = 16, H = 1

Back

37

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