Earth's Resources OCR KS3 Y8

Earth's Resources OCR KS3 Y8

6th - 8th Grade

30 Qs

quiz-placeholder

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Earth's Resources OCR KS3 Y8

Earth's Resources OCR KS3 Y8

Assessment

Quiz

Science

6th - 8th Grade

Hard

Created by

Ryan Evans

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is a salt in chemistry?

A compound formed from an acid and a base

A metal element

A sugar solution

A neutral gas

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How is a salt made in the lab?

By reacting an acid with a base

By boiling water

By filtering oil

By mixing air and water

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which gas is released when a metal reacts with an acid?

Hydrogen

Oxygen

Carbon dioxide

Nitrogen

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which type of reaction forms a salt and water?

Neutralisation

Combustion

Displacement

Oxidation

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of these is a base?

Copper oxide

Hydrochloric acid

Sodium chloride

Carbon dioxide

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which metal can be extracted using carbon?

Iron

Sodium

Potassium

Calcium

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Why can't carbon be used to extract aluminium?

Aluminium is more reactive than carbon

Carbon is too expensive

Aluminium is unreactive

Carbon reacts with the air

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