Chemistry, asked by zohaa2490, 6 hours ago

Pick out the odd one out and name the category to which the other three belong.
1. Fe Mg Cu Hg
2. N2O CO Na2O H2O
3. Sodium Hydrogen Potassium Oxygen
4. Wood Sponge Kerosene charcoal
5. Oxide sulphate Ammonium Hydroxide

Answers

Answered by mufiahmotors
0

Answer:

4

Explanation:

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