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What are the following substances ? Give one example of each type . (i) Antacid (ii) Nonionic detergents (iii) Antiseptics |
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Answer» Solution :(i) Antacid : These are those substances which neutralise the excess acid and bring the PH to appropriate level in stomach . Examples : MAGNESIUM HYDROXIDE and sodium BICARBONATE . (ii) Nonionic detergents : These are of high MOLECULAR mass formedby reaction between polythylene glycol and stearic acid . (iii) Antiseptics : These are the chemical substances used to prevent the growth of micro-organisms or to kill them . They are safe to be applied to living tissues Dettol . |
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