Question

Name four metals and non-metals, and state
one major use of each.​

Answer 1

Four Metals -

i) Copper - use in making wires

ii) aluminium - use in making foils.

iii) Gold - use in making jewelleries.

iv) Silver - use in making utensils.

Four Non-Metals -

i) Nitrogen- can be used to replace air and reduce or eliminate oxidation of materials

ii) O2 - used for oxy-acetylene welding and cutting of metals.

iii) Carbon- used as a fuel. 

iv) Hydrogen - used to make ammonia for agricultural fertiliser.

Hope it helps❤❤

Answer 2

Answer:

Metals - iron ( used for making tools )

Copper ( Used in electric wires )

Gold ( Used as Jewellery )

Zinc ( used in galvanization )

Non Metals - oxygen ( used in respiration )

Nitrogen ( used by all organisms. )

Hydrogen ( used as fuel in rockets )

Carbon (used as fuel )coal

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