Explosive
White lead
Filter aid
ZnS (white pigment)
✅ The correct answer is option D.
Chemical Process MCQs
452. Fat splitting catalyst is
CaCO₃
ZnO
Al2O₃
Fe
✅ The correct answer is option B.
453. Rosin soap is added during paper manufacture to
Impart adhesive properties
Improve opacity
Impart resistance to penetration by liquids
None of these
✅ The correct answer is option C.
454. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).
1
10
25
40
✅ The correct answer is option B.
455. Ca(OH)₂ is called
Quicklime
Slaked lime
Limestone
Gypsum
✅ The correct answer is option B.
456. __________ is used as a catalyst in fat splitting.
ZnO
Ni
V₂O₅
FeO
✅ The correct answer is option A.
457. Bio-degradable detergents
Can be readily oxidised
Pose problem in sewerage plant
Have an isoparaffinic structure
Should not be used as it spoils the cloth
✅ The correct answer is option A.
458. The purpose of tanning in leather industry is to
Stiffen the leather
Smoothen the leather
Make it flexible
Impart water resistance
✅ The correct answer is option A.
459. Paper pulp produced by kraft/sulphate process is
Bleached easily
Dull white in color
Strong fibrous
Dark colored
✅ The correct answer is option C.
460. Production of alcohol by fermentation of molasses is an __________ process.
Anaerobic
Aerobic
Endothermic
Both B and C
✅ The correct answer is option B.