There are a number of substances …

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There are a number of substances ( chemical substances) we use in our day to day lives such as soaps, detergents, shampoos bleaching powder, baking powder etc. Find out the names of different chemicals present in these substances and the work they do. You can include ten such substances we use in our day to day lives.

Posted by Ayush Kumar 5 years, 6 months ago

CBSE > Class 10 > Science

1 answers

Meghna Thapar 5 years, 5 months ago

Bleaching Powder:

Bleaching powder is manufactured from chlorine gas.

It is produced by the action of chlorine on dry slaked lime [Ca(OH)₂].

Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O

It is represented as CaOCl₂

Baking soda:

Baking soda is a substance added in food for its faster cooking. Its chemical name is sodium hydrogencarbonate.

Sodium hydrogencarbonate is produced on large scale by reacting a cold and concentrated solution of sodium chloride with ammonia and carbon dioxide.

Washing soda:

Washing soda is sodium carbonate decahydrate.

Chemical formula: Na₂CO₃.10H₂O

Sodium hydrogen carbonate, on heating decomposes to give sodium carbonate with the release of hydrogen gas. Re-crystallisation of sodium carbonate produces washing soda.

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