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Question

A certain compound when burnt gave three oxides. The first turned lime water milky, the second turned cobalt chloride paper pink and third formed an aqueous solution of pH 3 nearly. The elements present in the compound are


A
C, S, O
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B
C, H, Na
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C
C, H, S
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D
C, H, Ca
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Solution

The correct option is C C, H, S

C forms CO2 which turns lime water milky, H forms H2O which turns cobalt chloride paper pink and S forms SO3 in aqueous solution formsH2SO4


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