Jena
Flint
Crookes
Pyrex
✅ The correct answer is option B.
Chemical Process MCQs
Silicone is a/an
Thermoplastic
Inorganic polymer
Monomer
None of these
✅ The correct answer is option B.
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
Brighten the faint images
Remove metallic silver
Convert silver chloride to silver
Remove unexposed silver halide
✅ The correct answer is option D.
Main constituents of portland cement are calcium aluminate and
Gypsum
Silicates
Sodium silicate
Carbonates
✅ The correct answer is option B.
Hydrocynic acid (HCN) is used as an insecticide for
Controlling timber degradation by ants
Controlling poultry lice
Potato beetle
Citrus fruits
✅ The correct answer is option D.
Silicon carbide is a/an
Adhesive
Abrasive
Type of glass
Brittle material
✅ The correct answer is option B.
Fourdrinier machine is used in the manufacture of
Sugar
Paper
Alcohol from molasses
Phenol formaldehyde
✅ The correct answer is option B.
Major component of flint glass is
Lead oxide
Silica
Alumina
Soda
✅ The correct answer is option A.
Oxygen is produced by fractionation of air using __________ process.
Linde’s
Claude’s
Either A or B
None of these
✅ The correct answer is option C.
Manufacture of phthalic anhydride uses __________ as a catalyst.
Ni
Cr
V₂O₅
Al₂O₃
✅ The correct answer is option C.