IIT-JEE 2008 Paper 2 Offline | Isolation of Elements Question 21 | Chemistry

IIT-JEE 2008 Paper 2 Offline

MCQ (Single Correct Answer)

-1

Match the conversions in Column I with the type(s) of reaction(s) given in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 $$\times$$ 4 matrix given in the ORS.

	Column I		Column II
(A)	PbS $$\to$$ PbO	(P)	roasting
(B)	CaCO$$_3$$ $$\to$$ CaO	(Q)	Calcination
(C)	ZnS $$\to$$ Zn	(R)	carbon reduction
(D)	Cu$$_2$$S $$\to$$ Cu	(S)	self reduction

A $$\to$$ (p); B $$\to$$ (q); C $$\to$$ (p); D $$\to$$ (s)

A $$\to$$ (q); B $$\to$$ (p); C $$\to$$ (r); D $$\to$$ (p, s)

A $$\to$$ (p); B $$\to$$ (q); C $$\to$$ (p, r); D $$\to$$ (p, s)

A $$\to$$ (p); B $$\to$$ (q, s); C $$\to$$ (p, r); D $$\to$$ (p)

IIT-JEE 2008 Paper 1 Offline

MCQ (Single Correct Answer)

-1

Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence of:

nitrogen

oxygen

carbon dioxide

argon

JEE Advanced Subjects