GCSE Chemistry - Global Challenges - 1 - Exam Style Questions with Answers

Created on February 17, 2023 By

paruppts12

GCSE_OCR_CHE_6_GLOBAL_1

1 / 10

Look at the diagram. It shows how ammonia is made in the Haber process.
Unreacted nitrogen and hydrogen are recycled.
Explain why.

Decrease percentage yield

Idea can be reused

idea of reduces costs

Decrease sustainability

2 / 10

Chloe makes some potassium nitrate by neutralising an alkali with nitric acid.
Look at the diagram. It shows the apparatus she uses.
Write down the name of the alkali Chloe uses to make potassium nitrate.

potassium oxide

potassium carbonate

Both A and B

Both B and C

potassium hydroxide

3 / 10

C

D

B

A

4 / 10

This question is about construction materials.
Cement is used in the construction of buildings.
Cement is made when two substances are heated together.
Which one?

sand and water

limestone and sand

sand and clay

limestone and clay

limestone and granite

5 / 10

1

2

4

3

6 / 10

0.06

6.0

0.6

0.006

7 / 10

Stainless steel

Copper

Titanium

All of the above

Aluminium

8 / 10

Jade and Philip are making fertilisers by neutralisation.
Complete the word equation for neutralisation.
acid + base .......................................... + water

Carbon dioxide

Hydroxide

Hydrogen

Salt

9 / 10

30

40

20

10

10 / 10

A pharmaceutical drug is made by a batch process.
Write about one reason why pharmaceutical drugs are often made by a batch process.

idea of fluctuating demand

idea of easier for quality control

All of the above

idea that batches can be traced and recalled

idea of matching seasonal demand

idea that you can switch to making a different drug

Your score is

The average score is 45%

0%