Category: Chemical Process

A. Gives an idea about its molecular weight
B. Is inversely proportional to its molecular weight
C. Detects its adulteration
D. All A , B. & C.

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils
B. Fire fighting purposes
C. Both A. & B.
D. Neither A. nor (B)

A. Light soda ash
B. Dense soda ash
C. Sodium bicarbonate
D. Dehydrated soda ash

A. Nitric acid
B. Sulphuric acid
C. Ammonium sulphate
D. Hydrochloric acid

A. Bi-carbonates
B. Sulphates & chlorides
C. Carbonate
D. None of these

A. Autothermal
B. Trickle bed
C. Plug flow
D. None of these

A. 3
B. 12
C. 22
D. 0.3

A. Quick lime
B. Slaked lime
C. Limestone
D. Calcite

A. Sintering
B. Annealing
C. Shaping or forming
D. Melting

A. Aluminium
B. Silver
C. Copper
D. All A, B. and C