ICSE ICSE Class 8 - CISCE Question Bank Solutions

Differentiate between the following:

A catalyst and a promoter.

Explain the following reaction with one suitable example .
Decomposition reaction

Name the type of chemical reaction shown by the following equation:

2Mg+ O₂ →  2MgO

Name the type of chemical reaction shown by the following equation:

Fe + CuSO₄ → FeSO₄ +Cu

 Fill in the blank .

Soluble bases are called ............

Write your observations and name the product when

Iron nails are added to an aqueous solution of copper sulphate.

Explain the term of solution.

Explain the term of  Solute.

How do the solubility of a solid and a gas affected by Increase in pressure.

Differentiate between Suspension and colloid.

What do you observe when Phenolphthalein is added to sodium hydroxide solution.

What do you observe when Blue litmus paper is dipped in dilute hydrochloric acid.

What do you observe when Lead nitrate is heated.

Give two example of Colloid.

 What do you observe when Blue litmus solution is added to water ?

Give two examples Basic oxide .

Give two examples of  oxides.

Acidic oxide.

Give two examples of  oxides.

Amphoteric oxide

Give two examples of oxides.

 Neutral oxide

Differentiate between solution and suspension.