Question

1) Explain the importance of pH in our digestive system.
2) State the molecular formula of bleaching powder and write its three uses.
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Answer 1

Answer:

1. The pH of our stomach is critical to the digestion of many nutrients and acts as the first line of defense against harmful bacteria and viruses. The stomach is a reservoir of strong acid, with a much lower pH than in any other part of our digestive system.
2. chemical name of bleaching powder is...CaOCl2....(i) as a disinfectant and germicide especially in the sterilization of drinking water. (ii) for manufacture of chloroform.

Answer 2

ANSWER:-

Bleaching powder is produced by the action of chlorine on dry slaked lime (Ca[OH]2). Bleaching powder is represented as CaOCI2, though the actual composition is quite complex....

Ca[OH]2+CI2 ---->CaOCI2+H2O....

Bleaching Powder is use:-

• As an oxidising agent in many chemical industries....
• For disinfecting drinking water to make it free of germ....