What are the following substances ? Give one exmaple of each.                  (3 marks)

 (i) Food preservatives

 (ii) Synthetic detergents

(iii) Antacids

Concept Videos :-

#11 | Synthetic Detergents

Concept Questions :-

Cleansing agents - soaps and detergents, cleansing action/Dyes/Propellant
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