Describe the preparation of graphaiate imacheson process. Why CO is highly- toxic? Write one use of silica gel.

Write the reaction for the preparation of resole. Give one use.

What is per halosilanes? How would you prepare per halosilanes. Write one use of silica gel?

Write the reaction for the preparation of novolac. Give one use.

Write down the composition of the electrolyte used for the extraction of aluminium by the process of electrolysis. Describe the process of extraction.

Describe the nitrogen fixation process by micro organisms in soil. One study found that drinking water in your area is contaminated. Study it and write what are the problems can be generated from this

Why K_2 CO_3 can’t be prepared by solvey process? What is backing soda?

(a) Name the starting material used in the industrial preparation of phenol. (b) Write complete reaction for the bromination of phenol in aqueous and non-aqueous medium. (c) Explain why Lewis acid is not required in bromination of phenol ?

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement -1 : Na2SO_4 can be used as the starting material for the preparation of sodium carbonate and sodium hydroxide Statement - II: Sodium hydroxide is prepared by the treatment of milk of lime with sodium carbonate.