Give the preparation and uses of Teflon

Give the preparation reaction of Ammonia.

Give the preparation, properties and uses of the following compound Lime.

Give the industrial preparation of formaldehyde.

Give the monomer units of Teflon, Bakelite and Nylon 66.

Give reasons for the following : Conc . Sulphuric acid us used as a laboratory reagent in the preparation of iodine from hydrogen iodide.

Which of the following is used for the preparation of benzene ?

Which of the following is used for the preparation of colloids ?

Give four methods of preparation of methyl alcohol.

What are copolymers ? Give the chemical equation for the preparation of terylene.

Give industrial preparation of benzoic acid from toluene.