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

1. Of the two gases, ammonia and hydrogen chloride, which is more dense? Name the method of collection of this gas.
2. Give one example of a reaction between the above two gases which produce a solid compound.
3. Write the balanced equation for a reaction in which ammonia is oxidized by:
   1. a metal oxide,
   2. a gas which is not oxygen.

Complete and balance the following chemical equation:

C₂H₆ + O₂ →

Identify the anion present in the following compounds.

The solution of Compound L on reacting with freshly prepared ferrous sulphate solution followed by the addition of a few drops of concentrated sulphuric acid to the reactants along the sides of a test tube forms a brown ring at the junction of the two liquids.

Identify the terms for the following:

The experiment which demonstrates high solubility of ammonia gas.

Identify the terms for the following:

The electrode where reduction takes place.

Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.

State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Convert Hydrochloric acid to nascent chlorine.

Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Convert hydrochloric acid to nascent chlorine.

Convert Hydrochloric acid to nascent chlorine.

Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.

An element with the largest atomic radius among the following is ______.

The hydrocarbon is formed when sodium propionate and soda lime are heated together.

The general formula of hydrocarbons with single covalent bonds is ______.

State a relevant reason for the following:

Ammonia gas is not collected over water.

Answer the following question with reference to the electrorefining of copper:

What is the anode made of?

Answer the following question with reference to the electrorefining of copper:

What do you observe at the cathode?