Question

Circle the odd one and give reason
1.Iron ,Copper ,Gold ,sodium.
2. Sodium,aluminium, silver, Mercury.
3. Copper,aluminium, antimony, gold.
4. Carbon,Sulphur ,phosphorus, oxygen
5. Oxygen, bromine, sulphur,potassium
6. Iodine, hydrogen, nitrogen, Carbon.
7. Silver, iron,
copper ,sulphur.
8. Aluminium,lithium ,nitrogen, potassium.
9. Germanium,iron, silicon, Boron
10. Nitrogen ,chlorine, bromine, hydrogen​

Answer 1

Answer:

1.gold because it is least reactive metal

2.mercury because it is liquid

3antimony because it is non metal

4.phosphorus because it is very soft non metal

5.oxygen because it is gas

6.hydrogen because it is metalloids

7.sulphur because it is non metal

8.nitrogen because it is gas

9.germanium because it is compound

10.nitogen it is gas

Answer 2

1. Gold
2.Mercury
3.Antinomy
4.Phosphorus
5.Oxygen
6.Hydrogen
7.Sulphur
8.Nitrogen
9.Germanium
10.nitrogen