Write the reaction that occurs between:

• Magnesium oxide and water.

All the soluble solid impurities settle down at the bottom of the sedimentation tank.

Hard water is fit for washing.

Sugar is solute in sugar solution.

Which one of the following is not a true solution?

What is the chemical formula of baking soda?

A fixed number of water molecules loosely bound to the salts is called

Which is homogeneous?

Which of the following substances is green in colour?