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

State your observation when:

Decomposition of bicarbonates by dil. H₂SO₄

2NaHCO₃ + H₂SO₄ → Na₂SO₄ + 2H₂O + 2CO₂

2KHCO₃ + H₂SO₄ → K₂SO₄ + 2H₂O + 2CO₂

The IUPAC name of Ethylene is ______.

Carbon to carbon double bond is found in ______.

The catalyst preferred in the conversion of Sulphur dioxide to Sulphur trioxide is ______.

Name the compound formed when: Ethene reacts with hydrogen in the presence of a catalyst.

Draw the structural diagram of: 

Ethanoic acid

Draw the structural diagram of 1, 2 dichloroethane.

Complete and balance the following chemical equation:

C₂H₂ + I₂ →

State the following:

Products are formed when ammonia is burnt in excess of oxygen.

Name the following organic compound:

The compound formed by complete chlorination of ethyne.

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

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

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

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

Explain the following:

H₃PO₃ is not a tribasic acid.

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

A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution :

Complete the table by writing the gas evolved in each case and its odour.

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

The acid which does not form acid salt by a basic radical.

State the terms/process for the following:

A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.