Unit 3 past papers

Question 1

Which of the following metals does not react with dilute acid?

A Magnesium

B Calcium

C Copper

D Zin

Answer 1

a

Question 2

Which of the following metals can be extracted from its oxide by heat alone?

A Aluminium

B Iron

C Silver

D Zinc

Answer 2

c

Question 3

Which of the following metals will not react with a dilute solution of hydrochloric acid?

A Copper

B Iron

C Magnesium

D Zinc

Answer 3

A

Question 4

Which metal can be extracted from its oxide by heat alone?

A Tin

B Zinc

C Lead

D Silver

Answer 4

D

Question 5

When a metal is extracted from its ore, metal ions are changed to metal atoms.

Name this type of chemical reaction.

Answer 5

Reduction

Question 6

Magnesium cannot be extracted from its ore in a blast furnace.

Suggest a method that would be suitable for the extraction of magnesium from its ore.

Answer 6

Electrolysis

Question 7

Metallic bonding is a force of attraction between

A negative ions and positive ions

B a shared pair of electrons and two nuclei

C positive ions and delocalised electrons

D negative ions and delocalised electrons.

Answer 7

C

Question 8

State the term used to describe naturally occurring metal compounds such as bauxite.

Answer 8

Ore

Question 9

Name a non-metal element which is suitable for use as the electrodes.

Answer 9

Carbon

Question 10

Which of the following metals is found uncombined in the Earth’s crust?

You may wish to use the data booklet to help you.

A Tin

B Magnesium

C Gold

D Sodium

Answer 10

C

Question 11

Which of the following substances does not produce water when it reacts with dilute acid?

A Sodium hydroxide

B Magnesium

C Copper oxide

D Ammonia solution

Answer 11

B