Question

The temperory hardness of water sample is due to compound X. Boiling this sample converts X to compound Y, X and Y are

Accepted Answer

${\rm{Mg}}{\left( {{\rm{HC}}{{\rm{O}}_{\rm{3}}}} \right)_{\rm{2}}}$ and ${\rm{Mg}}{\left( {{\rm{OH}}} \right)_{\rm{2}}}$

Answer

${\rm{Ca}}{\left( {{\rm{HC}}{{\rm{O}}_{\rm{3}}}} \right)_{\rm{2}}}$ and ${\rm{Ca}}{\left( {{\rm{OH}}} \right)_{\rm{2}}}$

Answer

${\rm{Mg}}{\left( {{\rm{HC}}{{\rm{O}}_{\rm{3}}}} \right)_{\rm{2}}}$ and ${\rm{Mg}}\,{\rm{C}}{{\rm{O}}_{\rm{3}}}$

Answer

${\rm{Ca}}{\left( {{\rm{HC}}{{\rm{O}}_{\rm{3}}}} \right)_{\rm{2}}}$ and CaO

JEE CHEMISTRY MCQ: HYDROGEN

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