Questions
Which of the following pairs can be distinguished by the action of heat?
a
Na2CO3 and CaCO3
b
K2CO3 and MgCO3
c
CaNO32 and Li NO3
d
MgCl2⋅6H2O and CaCl2⋅6H2O
detailed solution
Correct option is A
Na2CO3⟶Δ No reaction CaCO3⟶ΔCaO+CO2K2CO3⟶Δ No reaction MgCO3⟶ΔMgO+CO2CaNO32⟶ΔCaO+2NO2+12O24LiNO3→2 Li2O+O2 +4NO2MgCl2⋅6H2O⟶ΔMgCl2+6H2OCaCl2⋅6H2O⟶ΔCaCl2+6H2OTalk to our academic expert!
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