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If water contains dissolved calcium hydr...

If water contains dissolved calcium hydrogen carbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes "

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Synthetic detergents will be useful becaluse they can work well even with hard water.containing calcium hydrogencarbomntę.
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  16. Mention one use each of the following drugs i. Ranitidithe. ii. Parace...

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