Question

E.
Find the odd one out. Give reason for your answer.
1. Methane, Quicklime, Bromine, Water
2. Oxygen, Sulphur, Chlorine, Nitrogen
3. Ammonium, Hydroxide, Phosphate, Bicarbonate
4. Silicon, Lithium, Hydrogen, Fluorine​

Answer 1

Answer:

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Answer 2

Answer:

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