JEE Main 2019 (Online) 8th April Morning Slot | s-Block Elements Question 96 | Chemistry

(i)$$ \to $$(D); (ii)$$ \to $$(A); (iii)$$ \to $$(B); (iv)$$ \to $$(C)

(i)$$ \to $$(B); (ii)$$ \to $$(C); (iii)$$ \to $$(A); (iv)$$ \to $$(D)

(i)$$ \to $$(C); (ii)$$ \to $$(B); (iii)$$ \to $$(D); (iv)$$ \to $$(A)

(i)$$ \to $$(C); (ii)$$ \to $$(D); (iii)$$ \to $$(B); (iv)$$ \to $$(A)

JEE Main 2019 (Online) 11th January Evening Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

The reaction that does NOT define calcination is :

2Cu₂S + 3O₂ $$\buildrel \Delta \over \longrightarrow $$ 2Cu₂O + 2SO₂

CaCO₃ . MgCO₃ $$\buildrel \Delta \over \longrightarrow $$ CaO + MgO + 2CO₂

ZnCO₃ $$\buildrel \Delta \over \longrightarrow $$ ZnO + CO₂

Fe₂O₃ . XH₂O $$\buildrel \Delta \over \longrightarrow $$ Fe₂O₃ + XH₂O

Questions Asked from s-Block Elements (MCQ (Single Correct Answer))

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