Question on: JAMB Chemistry - 2024

A gas that turns lime water milky is likely to be from

A

Trioxocarbonate(IV)

B

Chloride

C

Trioxonitrate(V)

D

Tetraoxosulphate(VI)

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Correct Option: A

The gas that turns lime water milky is carbon dioxide (CO2), formed when a carbonate reacts with an acid. CO2 reacts with limewater (Ca(OH)2) to produce insoluble CaCO3, giving a milky appearance.

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