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

Write a balanced equation for the following:

Write the equation for the preparation of ethylene from ethyl alcohol.

Write balanced euation for the following :

Write the general formula for a saturated hydrocarbon and give one example of a saturated hydrocarbon with its structural formula.

Write balanced euation for the following :

Name a compound which will give acetylene gas, when treated with water.

Choose the current answer from the options given below :
In the preparation of H₂SO₄ by contact process V₂O₃ is used as a catalyst in the reaction. It is

Choose the current answer from the options given below :
In the contact process, the impurities of arsenic are removed by

Fill in the blank with appropriate word/words :
The catalyst used in contact process for the manufacture of H₂SO₄ is ___________ or _________.

What is the purpose of the contact process?

Name the two gases that are combined during the contact process.

Write the equation for the reaction between zinc and the final product of the contact process.

Write balanced equations for the three chemical reactions that take place during the conversion of sulphur dioxide to sulphuric acid in the contact process. Name the catalyst used in the contact process.

Name the oxide of sulphur which reacts water to give sulphuric acid.
In the contact process, the direct reaction between oxide of sulphur and water is avoided. In this process what does the oxide of sulphur react with instead of water, and what is the name of the product?

Write balanced chemical equation for the reaction between zinc and dilute sulphuric acid.
(i) What is the purpose of the contact process ?
(ii) Name the catalyst used in the contact process.
(iii) Write the balanced equation for the reaction in the contact process, which takes place in the presence of catalyst.

With the help of equations, give an outline for the manufacture of sulphuric acid by the contact process.

In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.

Name the process used for the large scale manufacture of sulphuric acid.

How will you identify?
An amphoteric hydroxide

Write the equation of the following laboratory preparation:

Ethane from sodium propionate.

Write the equation of the following laboratory preparation: 

Ethene from iodoethane.

Draw the structural formula of a compound with two carbon atoms in the following case:

An alkane with a carbon to carbon single bond.

Draw the structural formula of a compound with two carbon atoms in the following case:

An alcohol containing two carbon atoms.