Question

which of the following substance is a compound carbon dioxide
sulphur nitrogen air​

Answer 1

Answer:

Elements : ↓

Hydrogen, Helium and Nitrogen.

Compounds : ↓

Sugar (C₁₂H₂₂O₁₁), Salt, Water, Calcium oxide, Carbon dioxide

Mixtures : ↓

Air, Sea water, salt solution, 22 karat Gold, Brass, Smoke.

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