Chemical Engineering MCQs

A. As a starting material for ‘hypo’
B. In photographic industry
C. As rocket fuel
D. In printing industry

A. Decreases with decrease of thickness of the flakes
B. Increases with the increasing flake size keeping the flake thickness constant
C. Increases considerably with the rise of temperature
D. Decreases as the mositure content of flakes increases

A. Hard
B. Soft
C. Metallic
D. Lubricating

A. Xanthates
B. Stearic acid
C. Calcium & aluminium stearate
D. Formic acid

A. Quicklime
B. Slaked lime
C. Milk of lime
D. None of these

A. Brine
B. Chloramines
C. Sodium bisulphite
D. Liquid chlorines

A. Permit the use of alum as a coagulant
B. Increase the softening capacity of zeolite
C. Facilitate easy regeneration of zeolite
D. All a , b. and c.

A. Gypsum
B. Silicates
C. Sodium silicate
D. Carbonates

A. Na2so4.10h2o
B. Cacl(ocl)
C. Caso4.h2o
D. (nh4)2so4

A. Rosin
B. Borax
C. Benzyl acetate
D. Sodium carbonate