421. Wax is a
Mixture of glycerides
Mixture of esters of polyhydric alcohols excepting glycerine
Liquid at room temperature
Mixture of glycerides of fatty acids
✅ The correct answer is option B.
Chemical Process MCQs
422. Flash point of most vegetable oils is about __________ °C.
50
100
200
300
✅ The correct answer is option C.
423. __________ is produced using polycondensation reaction.
Polythene
Phenol formaldehyde
Poly vinyl chloride
None of these
✅ The correct answer is option B.
424. Which is the most efficient absorbant for SO₃ out of the following?
20% oleum
65% oleum
78%H₂SO₄
98%H₂SO₄
✅ The correct answer is option D.
426. Vanillin is a type of
Anti-pyretic drug
Food preservative
Flavour
Dye
✅ The correct answer is option C.
427. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
Oxidation of Na+ ions
Oxidation of Cl- ions
Reduction of Na+ ions
Reduction of Cl- ions
✅ The correct answer is option B.
428. Yellow phosphorus is transported under
Air
Water
Nitrogen
Helium
✅ The correct answer is option B.
429. Viscose rayon is
Cellulose nitrate
Regenerated cellulose nitrate
Regenerated cellulose acetate
None of these
✅ The correct answer is option D.
430. Starting material for the commercial production of ethyl alcohol in India is
Rice
Molasses
Fruit of Mahua tree
Maize
✅ The correct answer is option B.