Give balanced equations for each of the following:

Reducing of hot Copper (II) oxide to copper using ammonia gas.

Copy and complete the following table relating to important industrial process:

Identify the following substance which is underlined:
An alkaline gas which produces dense white fumes when reacted with hydrogen chloride gas.

34.

Identify the gas evolved in the following reaction when:

Sulphur is treated with concentrated nitric acid. 

Identify the gas evolved in the following reaction when:
A few crystal of KNO₃ is heated in hard glass test tube. 

Give a chemical test to distinguish between the following pair of compounds:

Calcium nitrate solution and zinc nitrate solution.

Give balanced equation for each of the following:

Oxidation of carbon with concentrated nitric acid.

Identify the gas evolved in the following reaction when:

Sodium propionate is heated with soda lime. 

Give balanced equations for the laboratory preparations of  the following  organic compounds:

A saturated hydrocarbon from iodomethane.

Give balanced equations for the laboratory preparations of the following organic compounds:

An unsaturated hydrocarbon from an alcohol.