Pick out the odd one out and name the category to which the other three belong. (5)
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
VII.
Answers
Answered by
1
Answer:
option 3 is right answer
Mark me as brainlist
Answered by
2
Answer:
1. no anyone
Explanation:
because iron ,magnesium , copper,mercury
are in periodic table
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