CBSE Class 12 Chemistry Chapter 16 Important Questions – Free PDF Download
Free PDF download of Important Questions for CBSE Class 12 Chemistry Chapter 16 – Chemistry in Everyday life 3 Marks Questions prepared by expert Chemistry teachers from latest edition of CBSE(NCERT) books, On CoolGyan.Org to score more marks in CBSE board examination.
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Important Questions Class 12 Chemistry Chapter 16 – Chemistry in Everyday life
CBSE Class 12 Chemistry Important Questions Chapter 16 – Chemistry in Everyday life
3 Marks Questions
1. How are detergents classified?
Ans. Synthetic detergents are classified as –
(a) Anionic detergents – these are sodium salts of sulphonated long chain alcohols or hydrocarbon. Here the anionic part of the molecule is involved in the cleansing action. e.g. sodium laurylsulphate.
(b) Cationic detergents – these are quaternary ammonium salts of amines with acetates, chlorides or bromides anions. e.g. cetyletrimethyl – ammonium bromide.
(c) Non – ionic detergents – these detergents do not contain any ion in their constitution. e.g. 