Give chemical equation for preparation of `N_2` in the laboratory.

Name the chemicals required for preparation of CO in the laboratory. Give equation(s) for the reaction(s) involved.

Write chemical equation for the preparation of urea.

Define-chemical equation.

Give the equations for the preparation of N_(2)O from the following: NH_(3), O_(2), Pt and H_(2)O .

Write the principle, with balanced chemical equations, of preparation of sodium carbonate by Solvay process?

Name a gas which can be prepared in Kipp's apparatus. Write the balanced chemical equation of the reaction for the preparation of the gas.

Give the reaction for preparation of hydrogen from alkali?

Give chemical reaction of dihydrogen with

What is the composition of sodalime used for the preparation of hydrocarbons in the laboratory ?