Combination reactions are also called synthesis reactions.

Choose the method of preparation of Iron (III) chloride, from the methods given in the list:

[List: A. Neutralization B.Precipitation C.Direct combination D.Substitution]

Complete the following table which refers to the conversion of ions to neutral particles.

State one relevant observation for of the following:

Barium chloride solution is slowly added to sodium sulphate solution.

Name the gas that is produced in the following case:

Action of dilute hydrochloric acid on sodium sulphide.

Give a chemical test to distinguish between the following pair of chemicals: Lead nitrate solution and Zinc nitrate solution.

Distinguish between the following pair of compounds using a reagent as a chemical test:

• Calcium nitrate and zinc nitrate solution.

Write a balanced chemical equation for the following:

• Reaction of lead nitrate solution with ammonium hydroxide.

$\mathrm{Fe}+{\mathrm{CuSO}}_4\to {\mathrm{FeSO}}_4 +$ _____

The reaction between copper sulphate solution and an iron nail is an example of _____ reaction.

$2\mathrm{Na}+$ _____ $\to 2\mathrm{NaCl}+{\mathrm{H}}_2$

($2\mathrm{HCl}$/$3\mathrm{HCl}$/$2{\mathrm{Cl}}_2$)