SaraNextGen.Com

Match the terms used in metallurgy with their meanings.

 

              Column I

Column II

A.

Roasting

(i)

Heating the ore just below its melting point in the absence of air

B.

Calcination

(ii)

Unwanted impurities present in the ore

C.

Gangue

(iii)

Heating the ore just below its melting point in the presence of air

D.

Flux

(iv)

Process of increasing of the percentage of desired component of the ore

E.

 

(v)

Substance added to ores to remove unwanted impurities

 

(a)

A-i; B-iii; C-ii; D-v

(b)

A-iii ; B-I; C-iv; D-ii

(c)

A-iii; B-I; C-ii; D-v

(d)

A-I; B-iii; C-v; D-ii



Question ID - 154881 | SaraNextGen Top Answer

Match the terms used in metallurgy with their meanings.

 

              Column I

Column II

A.

Roasting

(i)

Heating the ore just below its melting point in the absence of air

B.

Calcination

(ii)

Unwanted impurities present in the ore

C.

Gangue

(iii)

Heating the ore just below its melting point in the presence of air

D.

Flux

(iv)

Process of increasing of the percentage of desired component of the ore

E.

 

(v)

Substance added to ores to remove unwanted impurities

 

(a)

A-i; B-iii; C-ii; D-v

(b)

A-iii ; B-I; C-iv; D-ii

(c)

A-iii; B-I; C-ii; D-v

(d)

A-I; B-iii; C-v; D-ii

1 Answer
127 votes
Answer Key / Explanation : (c) -

A-iii; B-I; C-ii; D-v

127 votes


127