Question

Write chemical equation for the chemical reaction which occurs when the aqueous solutions of barium chloride and sodium sulphate react together. Write the symbols of the ions present in the compound precipitated in the reaction.

A chemical reaction in which exchange of ions occurs between the reactants, is known as :

Write balanced chemical equation for the following word equation. Lead nitrate + Potassium iodide → Lead iodide + Potassium nitrate Is this a double displacement reaction ? Justify your answer. Name the compound precipitated and write the ions present in it.

Write the method of preparation of Ca(OH)₂. What happens when CO₂ is passed through it ? Write balanced chemical equation for the reaction involved.