(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Give balanced equation of :

 Action of heat an a mixture of copper an nitric acid

 Name the substance used for drying ammonia gas? Why cannot substances such as conc.H₂SO₄, anhydrous calcium chloride and phosphorus pentoxide be used for drying ammonia gas?

Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.

Outline the steps required to convert hydrogen chloride to anhydrous FeCl₃. Write equations for the equations involved.

Give balanced reactions for the following conversion:

Ammonia to nitrogen using oxygen.

Give balanced reactions for the following conversion:

Ammonia to nitrogen using trichloride.

Write equation for the reaction between hydrochloric acid of the following: Bleaching powder

Give balanced reactions for the following conversion:

Ammonia to ammonium sulphate.

Give balanced reactions for the following conversion:

Ammonia solution to an amphoteric hydroxide.

Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide

Write equation for the reaction between hydrochloric acid of the following: Oxide of lead

Give balanced reactions for the following conversion:

 Ammonia to ammonium carbonate.

Give balanced reactions for the following conversion:

Copper oxide to copper.

What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?

Give balanced equation to prove that ammonia Is alkaline in nature

Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.

Give balanced equation to prove that ammonia Has the element hydrogen in it.

Give balanced equation to prove that ammonia Has the element nitrogen in it.

State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.

Differentiate between:

Reaction of excess ammonia with chlorine and NH₃  with excess chlorine