Which of the following statements is true?
(a) Soaps and detergents are both used only in soft water.
(b) Soaps and detergents are used in soft and hard water.
(c) Soap is used only in soft water, while detergent can be used in soft and hard water.
(d) Detergent is used only in soft water, while soap is in soft and hard water.
Which of the following compounds cannot remove grease from clothes?
(a) Gasoline
(b) Potassium palmitate
(c) Soap
(d) Potassium pentanoate
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Which of the following is an ordinary soap?
(a) Sodium stearate
(b) Calcium stearat
(c) Sodium acetate
(d) Sodium benzoate
Which of the following statements regarding linseed oil is incorrect?
(a) It is a drying oil
(b) It is used in paints and varnishes
(c) It is a vegetable oil
(d) It is a triglyceride of saturated fatty acids
Soaps and detergents are kept in the family. Which of the following types of compounds?
(a) Surface active
(b) Surface inactive
(c) Water soluble
(d) Water insoluble
Which of the following statements is wrong about detergent?
(a) They are used in soft water only
(b) They are used both in soft and hard water
(c) They decrease the surface tension of water
(d) They can be prepared from benzene sulphonic acid
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Soap is :
(a) Sodium stearate
(b) Calcium stearate
(c) Sodium acetate
(d) Sodium benzoate
The deterrent is :
(a) Sodium stearate
(b) Sodium alkyl sulphonate
(c) Potassium butyrate
(d) Sodium oleate
Which statement about fats is incorrect?
(a) They are ester derived from one alcohol only
(b) They are saturated and unsaturated carboxylic esters of glycol
(c) Liquid fats are often referred to as oils.
(d) They are also called triglycerides
Bath soap is a mixture of :
(a) Potassium salts of higher fatty acids
(b) Sodium and calcium salts of higher fatty acids
(c) Potassium palmitate and sodium stearate
(d) Sodium salts of higher fatty acids
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Tributyrin is a fat present in butter. It is formed by the combination of butyric acid with :
(a) Glycerol
(b) Oleic acid
(c) Stearic acid
(d) Chloroform
In human beings and animals, the oil and fats are hydrolyzed by the enzymes :
(a) Diastase
(b) Zymase
(c) Lipase
Which of the following is the main component of bathing soap?
(a) Caustic potash
(b) Glycerine
(c) Potassium glycolate
(d) Potassium stearate
Which of the following compounds is insoluble in water?
(a) Calcium salt of stearic acid
(b) Calcium salt of heptadecanesulphonic acid
(c) Magnesium salt of lauryl sulphonic acid
(d) Potassium salt of palmitic acid
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Which of the following is not used in the preparation of soap?
(a) Palmitic acid
(b) Stearic acid
(c) Lauric acid
(d) Benzoic acid
In the production of soap by hot process, the liquor left after the separation of soap is called :
(a) Spent lye
(b) Sweet lye
(c) Both the above
Soap is :
(a) Colloidal electrolyte
(b) Colloidal non–electrolyte
(c) Aerosol
Detergent can be used in :
(a) Soft water only
(b) Hard water only
(c) In both soft and hard water
(d) All the ionic solvents
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Fat is :
(a) Fatty acid
(b) Soap
(c) Glycerol
(d) Ester
The chemical name of washing soda:
(a) Sodium carbonate
(b) Sodium bicarbonate
(c) Sodium chloride
(d) Sodium sulfate
Soaps are sodium salts. Which of the following?
(a) Mineral acids
(b) Fatty acids
(c) Lactic acid
(d) Carbonic acid
The process of manufacturing of soap is called __
(a) Ion exchange
(b) Alphonation
(c) Saponification
(d) Steam distillation
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The advantage of detergents over soaps is
(a) Detergents are soluble in water
(b) Detergents could not give much lather
(c) Detergents give lather even with hard water
(d) Soaps give lather with only soft water