Analytical Chemistry Uses of Ammonium Hydroxide and Sodium Hydroxide — Chemistry STD 10 — Question

Two blank spaces A and B are left in the following table. Identify both of them.

Lab preparation of	Reactants used	Products formed	Drying agent	Method of collection
HCI gas	NaCl + H2SO4	____A____	Conc. H2SO4	____B____

Give a balanced equation for the following conversation.
An alkene to an alkane

Give reason:
In the lab. preparation of ammonia
(i) calcium hydroxide is used in excess
(ii) a flask is fitted in slanting position

What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon

Name the compounds required for the laboratory preparation of nitric acid.

Write three equations to show that hydrochloric acid acts as an acid.

State the type of bond formed, and draw Lewis structure of calcium oxide

Haloalkanes react with alkalies to produce alcohol. Give the equation for the preparation of the second member of the homologous series of alcohol. State under what condition the reaction occurs.

Prove the Following :
One mole of any gas contains the same number of molecules.

Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.