Compound which is added to soap to impart antiseptic properties is ….
a. Sodium laurylsulphate
b. Sodium dodecylbenzenesulphonate
c. Rosin
d. Bithional
Ans.d
Explanation : Basically all soaps are made by boiling fats or oils with suitable hydroxide variations are made by a adding different raw materials Sodium laurylsulphate and sodium dodecylbenzenesulphonate are anionic detergents
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dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
