Question

12. Find out the odd one from the following. Give reason?
a. Hydrogen, Oxygen ,Nitrogen, Carbon dioxide
b. Sodium (Na), Pottasium (K), Magnesium (Mg), Iron (Fe)​

Answer 1

Answer:

The answer would be a

Explanation:

List b contains a list of substances which are all elements but list a contains carbon dioxide which is a compound.

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