241.

Glycerol can be separated from spent-lye in soap industry by

• crystallisation

• sublimation

• differential extraction

• chromatography

Match the following:

• A - q; B - s; C - t; D - r; E - p

• A - r; B - t; C - q; D - p; E - s

• A - t; B - s; C - q; D - p; E - r

• A - t; B - r; C - p; D - q; E - s

Consider the following antibiotics

(i) erythromycin
(ii) ofloxacin
(iii) chloramphenicol
(iv) penicillin
(v) tetracycline

The pair of bactericidal antibiotics is

• (i) and (iii)

• (ii) and (iv)

• (iii) and (v)

• (i) and (iv)

The cationic detergent that is used in hair conditioners is

• cetyltrimethyl ammonium bromide

• sodium dodecylbenzene sulphonate

• sodium lauryl sulphate

• tetramethyl ammonium chloride

Salts of sorbic acid and propionic acid are used as

• antioxidants

• flavouring agents

• food preservatives

• nutritional supplements

The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and stable at cooking temperature is

• aspartame

• saccharin

• sucrolose

• alitame

Cetyltrimethyl ammonium bromide is a popular

• anionic detergent

• cationic detergent

• non-ionic detergent

• sweetener

Which among the following is not an antibiotic?

• Penicillin

• Oxytocin

• Erythromycin

• Tetracycline

Which one among the following is not an analgesic?

• Ibuprofen

• Naproxen

• Aspirin

• Valium

Bithional is added to soap as an additive to function as a/an

• hardener

• dryer

• antiseptic

• buffering agent