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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