ICSE ICSE Class 8 - CISCE Question Bank Solutions for Chemistry

Carbon forms innumerable compounds by combining with other elements. True or false ?

Most of our food contains compounds of carbon. True or false ?

Name the simplest organic compound.

What are hydrocarbons ? Name the two different forms of hydrocarbons.

Write the name and the chemical formula of the simplest alkene.

Name a gas which, though a compound of carbon, is not studied under organic chemistry.

What is the atomic number of carbon ?

What is the name of the famous diamond that was found in Wajrakarur in Andhra Pradesh ?

Define catenation.

How is gas carbon produced?

Write three chemical properties of carbon.

Draw the diagrams representing the atomic structures of the following: Neon

Give equations for the reactions.

How is hydrogen separated from carbon dioxide and carbon monoxide? 

Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen is a combustible gas.

Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.

Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.

With reference to the equation : Cl₂ + H₂S → 2HCl + S pertaining to a redox reaction – select the correct answer.

Chlorine is ______ to HCl.

With reference to the equation : Cl₂ + H₂S → 2HCl + S pertaining to a redox reaction – select the correct answer.

Hydrogen sulphide is ______ to sulphur since the reaction involves ______ of hydrogen.

With reference to the equation : Cl₂ + H₂S → 2HCl + S pertaining to a redox reaction – select the correct answer.

Chlorine acts as an ______ agent.