(i) Why bithional is added in soap ?

(ii) Why magnesium hydroxide is a better antacid than sodium bicarbonate ?

(iii) Why soaps are biodegradable whereas detergents are non-biodegradable ?

 

 

 

 
 
 
 
 

Answers (1)

(i) Bithinol is added to soap to reduce the odour produced by bacterial decomposition of         organic matter on the skin.

(ii) Mg(OH)_{2} is a better antacid than sodium bicarbonate because, it is insolute and       does not increase the P^{H} above neutrality.

(iii) Soaps are biodegradable whereas detergents are non bio-degradable, because          detergents have generally highly branched hydrocarbon chains. the side chain stops      bacteria from attacking breaking the chains, hence, they are non- biodegradable while       in soaps, it is not the case.

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