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

Who am I? I am the base of food chain

Who am I? I am formed by the fusion of male and female gametes

Who am I? I am called antichlor and am used to remove excess chlorine from clothes when treated with bleaching powder.

Who am I? I am a compound of calcium and can be used for disinfecting drinking water as well as for decolourisation.

Who am I? I depend on plants and animals

Who am I? I am gamete that has a tail and travel to fuse with female gamete

Who am I?I depend on plants for food.

I am the sphincter which helps in the expulsion of stool. Who am I ?

Who am I? I am a covalent coQJ.pound and conducts electricity in aqueous medium.

Who am I? I am a product of gypsum and am·used to making chalks and fire proof materials.