Gaseous StateHard
Question
Gas Y + B → milkiness,
Gas ′X′ burn with Blue flame then correct choice is :-
Options
A.A → CaCO3
X → CaO
Y → CO
Z → CO2
B → H2CO3
X → CaO
Y → CO
Z → CO2
B → H2CO3
B.A → CaC2O4
X → CO
Y → CO2
Z → CaO
B → Ca(OH)2
X → CO
Y → CO2
Z → CaO
B → Ca(OH)2
C.A → CaC2O4
X → CO2
Y → CO
Z → CaO
B → Ca(OH)2
X → CO2
Y → CO
Z → CaO
B → Ca(OH)2
D.A → CaSO3
X → SO2
Y → O
Z → CaO
B → Ca(OH)2
X → SO2
Y → O
Z → CaO
B → Ca(OH)2
Solution
CaO + H2O → Ca(OH)2
(Z) (B)
Ca(OH)2 + CO2 → CaCO3
(B) (Y) (millkiness)
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