A. Minimises its turbidity
B. Helps in controlling its taste and odour
C. Minimises its corrosiveness
D. None of these
A. Bi-carbonates
B. Sulphates & chlorides
C. Carbonate
D. None of these
A. Fat
B. Naphthalene
C. Cumene
D. Sucrose
A. Bromine
B. Magnesium compounds
C. Potassium compounds
D. Sodium sulphate
A. Pesticides
B. Plasticisers for unsaturated polyesters
C. Pain-relieving drugs (analgesic)
D. Tranquilisers
A. Phthalic anhydride
B. Vinyl chloride
C. Maleic anhydride
D. Dacron
A. Ethyl magnesium chloride
B. Methyl magnesium chloride
C. Dichlorophenol
D. Monochloroacetic acid
A. Before filtration, reduces the bacterial load on filters
B. After filtration, combats the corrosiveness of water due to the presence of O2 & CO2
C. Is to adjust the pH value
D. All A , B. and C.
A. 50
B. 70
C. 95
D. 80
A. Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens
the hard soaps and increases its cleansing action
B. Soap powder is prepared by mixing soap with hydrated sodium carbonate
C. Detergents differ from soaps in their action in hard water
D. Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due
to tea, blood etc