AQA (9-1) Topic 3

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Quiz by https:// revisechemistry.uk, created more than 1 year ago

GCSE Chemistry (AQA) Quiz on AQA (9-1) Topic 3, created by https:// revisechemistry.uk on 01/29/2018.

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	Created by https:// revisechemistry.uk about 6 years ago

GCSE Chemistry (AQA) Quiz on AQA (9-1) Topic 3, created by https:// revisechemistry.uk on 01/29/2018.

AQA (9-1) Topic 3

AQA (9-1) Topic 3

Question 1 of 10

Calculate the formula mass of NaNO₃ (RAM Na=23, N=14, O=16)

Select one of the following:

Explanation

Question 2 of 10

James burns 0.7 g of magnesium in air. What will be the most likely mass after heating?

Select one of the following:

Explanation

Question 3 of 10

HCl is added to Mg in a flask. After 70 seconds all the hydrogen had been released, and there was no more Mg left. Which chemical was the limiting reagent?

Select one of the following:

Explanation

Question 4 of 10

Fill the blank space to complete the text.

Calculate the relative formula mass of calcium hydroxide (RAM Ca=40, O=16, H=1):

Explanation

Question 5 of 10

Fill the blank space to complete the text.

0.020 moles of calcium nitrate was dissolved in 160 ml of water. Calculate the concentration: mol/dm3

Explanation

Question 6 of 10

This equation is balanced

Select one of the following:

Explanation

Question 7 of 10

Fill the blank spaces to complete the text.

Balance the following equation (use the numbers 1, 2, or 3 to fill the blanks) N2 + H2 --> NH3

Explanation

Question 8 of 10

Fill the blank spaces to complete the text.

An empirical formula is the whole number ratio of in a substance.

Explanation

Question 9 of 10

The resolution of a measuring instrument is the smallest change in a quantity that gives a change in the reading that can be seen.

Select one of the following:

Explanation

Question 10 of 10

Fill the blank spaces to complete the text.

The law of conservation of mass states that atoms are lost or made during a chemical reaction so the mass of the products the mass of the reactants.

Explanation

Balance the following equation (use the numbers 1, 2, or 3 to fill the blanks)

N2 + H2 --> NH3