Question

odd man out
1 . Na , H ,HCl , Cu
2. Copper , Brass , Gold , Silver
3. Water , Command salt , Oxygen , Washing soda​

Answer 1

Answer:

1. HCl (because its an acid)

2. Brass (because its an alloy)

3. Oxygen (because it is made of single atom O)

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Answer 2

Answer:

1. HCl  - It is the odd one out because it is an acid.

2. Brass - It is the odd one out because it is an alloy

3. Oxygen - It is the odd one out because it is made of single atom

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