Question

WHO AM I?

 I can roughly measure pH value from 0-14.

 I am called antichlor and am used to remove excess chlorine from clothes when treated with

bleaching powder.

 I am a product of gypsum and am used to making chalks and fire proof materials.

 I am a compound of calcium and can be used for disinfecting drinking water as well as for

decolourisation.

 I give different smell in acid and base solution.

 I am an oxide capable of showing properties for both acids and bases.

 I am a covalent compound and conducts electricity in aqueous medium.

 I am a salt of potassium hydroxide and nitric acid.

 I am the term used when a solid becomes liquid when exposed to moist air.

 I am derived from tomato and turn blue litmus into red.​

Answer 1

Answer:

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