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‘X’ is a salt which on thermal decomposition gives an acidic oxide and a basic oxide. ‘X’ imparts no colour to the oxidizing flame of Bunsen burner. ‘X’ is
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a
CaCO3
b
MgCO3
c
NaCl
d
KNO3
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Correct option is B
Magnesium salts do not impart colour to the flame.MgCO3→∆ MgO+CO2 Basic AcidicTalk to our academic expert!
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