Question

Encircle the odd one. Give reason for your choice.
1. Mercury, Copper, Iron, Aluminium
2. Bromine, Hydrogen, Nitrogen, Oxygen
3. Graphite, Coal, Sulphur, Phosphorus
4. Diamond, Sodium, Potassium, Lithium
5. Copper, Aluminium, Silver, Sulphur
6. Sodium oxide, Calcium oxide, Potassium oxide, Sulphur dioxide​

Answer 1

Answer:

1 mercury

2 bromine

3 coal

4 diamond

5 silver

6 solphur

Answer 2

Answer:

(I) Mercury: Because all these are metals except mercury...

(ii) Bromine: As all these are natural gas except bromine

(iii) Graphite: Don't know reason

(iv) Diamond: It is a solid and all these are gas.

(v). Sulphur: As all these are used to make jewellery

(vi) Iska answer nhi aata

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