Question

C3. Match the two columns.
Column A
1. Magnesium
2. Potassium
3. Gold
4. Zinc
5. Aluminium
6. Iron
7. Mercury
Column B
(i) Occurs in free state
(ii) Used to wrap food
(iii) Used in fireworks
(iv) Used in thermometers
(v) Used to galvanize iron
(vi) Can be cut with a knife
(vii) Occurs in combined form
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Answer 1

Answer:

Magnesium - occurs in combined form

Potassium - can be cut with a knife

Gold - occurs in free state

Zinc - used to galvanize iron

Aluminium - used to wrap food

Iron - used in fireworks

Mercury - used in thermometers

Answer 2

Answer:

Magnesium - occur in free state

Potassium - occur in combined form

Gold - occur in free state

Zinc - used to galvanize iron

Aluminum - used to wrap food

Iron - can be cut with a knife

Mercury - used in thermometers