Mummy or unke masale (Names of Spcies used in Kitchen)

The name azota is used for

Name a gas used in photosynthesis.

Name two microbes used as biopesticides.

Which of the following is the Chemical name of the salt we use in our kitchen ?

Common salt besides being used in kitchen can also be used as the raw meterial for making (i) "washing soda"" "(ii) "bleaching powder" " "(iii)"baking soda" " "(iv) "slaked lime"

Give the names of three useful insects.