AQA GCSE CHEMISTRY - QUANTATIVE CHEMISTRY

AQA GCSE CHEMISTRY - QUANTATIVE CHEMISTRY

KG - University

26 Qs

quiz-placeholder

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AQA GCSE CHEMISTRY - QUANTATIVE CHEMISTRY

AQA GCSE CHEMISTRY - QUANTATIVE CHEMISTRY

Assessment

Quiz

Chemistry, Science

KG - University

Practice Problem

Medium

Created by

Robbie Dewhirst

Used 129+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

N2 + O2 → 2NO

What mass of nitrogen is needed to make 120 g of nitrogen monoxide (NO)?

(Ar: N = 14, O = 16)

(Higher Tier Question)

30 g

4 g

120 g

56 g

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What does the following equation show? Mg + 2HCl → MgCl2 + H2

(Higher Tier Question)

1 mole of magnesium reacts with 1 mole of hydrochloric acid to make 2 moles of magnesium chloride and 1 mole of hydrogen

1 mole of magnesium reacts with 2 moles of hydrochloric acid to make 2 moles of magnesium chloride and 1 mole of hydrogen

1 mole of magnesium reacts with 2 moles of hydrochloric acid to make 1 mole of magnesium chloride and 1 mole of hydrogen

This reaction isn't possible

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Iron reacts with oxygen to form iron oxide. Which of these shows the numbers needed to form the correct balanced equation?

AFe + BO2 → CFe2O3

A = 2, B = 3, C = 2

A = 4, B = 3, C = 2

A = 2, B = 6, C = 2

A = 1, B = 1, C = 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the relative formula mass of CO (carbon monoxide)?

(Ar: C = 12, O = 16)

12

16

38

28

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What does the law of conservation of mass tell you about the mass of the reactants and the mass of the products in a reaction?

The mass of the reactants is always double the mass of the products

The mass of the reactants is more than the mass of the products

The mass of the products is more than the mass of the reactants

The mass of the products equals the mass of the reactants

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How many iron, nitrogen and oxygen atoms are there in Fe(NO3)3?

3 iron atoms, 3 nitrogen atoms and 6 oxygen atoms

3 iron atoms, 3 nitrogen atoms and 9 oxygen atoms

1 iron atom, 1 nitrogen atom and 3 oxygen atoms

1 iron atom, 3 nitrogen atoms and 9 oxygen atoms

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How many magnesium, oxygen and hydrogen atoms are there in Mg(OH)2?

1 magnesium atom, 1 oxygen atom and 2 hydrogen atoms

1 magnesium atom, 2 oxygen atoms and 2 hydrogen atoms

2 magnesium atoms, 2 oxygen atoms and 2 hydrogen atoms

1 magnesium atom, 2 oxygen atoms and 1 hydrogen atom

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