A gas that turns lime water milky is likely to be from
-
Trioxocarbonate(IV)
- Chloride
- Trioxonitrate(V)
- Tetraoxosulphate(VI)
The correct answer is: A
Explanation
When carbon dioxide gas passes through lime water (Ca(OH)\(_2\)), it reacts to form calcium carbonate (CaCO\(_3\)), which is a milky substance. Thus, calcium carbonate is a trioxocarbonate(IV).
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