JEE Main 11 Jan 2019 Shift 2 Solved Paper

Section: Chemistry

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Question : 72 of 90

Marks: +1, -0

The reaction that does NOT define calcination is:-

[11 Jan 2019 Shift 2]

ZnCO3
Δ
→
ZnO + CO2
Fe2O3.XH2O
Δ
→
Fe2O3 + XH2O
CaCO3.MgCO3
Δ
→
CaO + MgO+2SO2
2Cu2S + 3O2
Δ
→
2Cu2O + 2SO2

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