List-I shows reaction involve in metallurgy of Pb (lead) and List-II shows name of processes. Match List-I with List-II and select correct code for your answer. List-I List-II (P) PbS+2PbO {––––––––▶} ^{\\Delta}3Pb+SO_2↑ (1) Smelting ( {\Q}) {PbS}+ \frac{3}{2} {O}_{2} {––––––––▶} ^{\\Delta}{PbO}+ {SO}_{2} ↑ (2) Self reduction ( {R}) {PbCO}_{3} {––––––––▶} ^{\\Delta}{PbO}+ {CO}_{2} ↑ (3) Calcination (S) {PbO}+ {C} {––––––––▶} ^{\\Delta}{Pb}+ {CO} ↑ (4) Roasting

Correct Answer is : P - 2, Q - 4, R - 3, S - 1

NEET 2020 Model Question Paper 1

Question : 69 of 180

Marks: +1, -0

List-I shows reaction involve in metallurgy of Pb (lead) and List-II shows name of processes. Match List-I with List-II and select correct code for your answer.

List-I

List-II

(P) PbS+2PbO

––––––––▶

3Pb+SO2↑

(1) Smelting

(Q)PbS+

––––––––▶

PbO+SO2↑

(2) Self reduction

(R)PbCO3

––––––––▶

PbO+CO2↑

(3) Calcination

(S) PbO+C

––––––––▶

Pb+CO↑

(4) Roasting

P - 2, Q - 3, R - 4, S - 1
P - 2, Q - 4, R - 3, S - 1
P - 4, Q - 2, R - 1, S - 3
P - 4, Q - 3, R - 2, S - 1

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