English Medium Class 10 - CBSE Question Bank Solutions

What is buckminsterfullerene?

How is buckminsterfullerene related to diamond and graphite?

Why is diamond used for making cutting tools (like glass cutters) but graphite is not?

Give two general properties of ionic compounds.

State one test by which sodium chloride can be distinguished from sugar.

Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity.

Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.

1. Give the name and formula of inorganic compound.
2. Write the name and formula of organic compound formed.

will CCl₄ conduct electricity or not?

give reason for your choice.

will  CS₂ conduct electricity or not?

give reason for your choice.

Name one covalent compound containing chlorine.

How will you find out which of the water soluble compound A or B is ionic?

Give the formula of the compound that would be formed by the combination of the following pair of elements:

Al and Cl₂

Give the formula of the compound that would be formed by the combination of the following pair of elements:

K and H

What are noble gases?

What is the cause of chemical bonding (or chemical combination) of atoms of elements?

What is the characteristic of the electronic configuration of noble gases?

Draw the electron-dot structure of a hydrogen chloride molecule:

1. Which inert gas does the H atom in HCl resemble in electron arrangement?
2. Which inert gas does the Cl atom in HCl resemble in electron arrangement?

Which inert gas does the H atom in HCl resemble in electron arrangement?

Which inert gas does the Cl atom in HCl resemble in electron arrangement?