Answers

(a) State the method of collecting gases which are denser than air. (b) Name two gases that can…

(a) State the main ore of tin. (b) Write an equation for the reaction involved in the smelting…

(a)(i) List four characteristic properties of transition metals (ii) Name two metals that can be extracted from their…

(a)(i) What is meant by the rate of a chemical reaction? (ii) Explain in terms of the vision…

(a)(i) Distinguish between a strong acid and a concentrated acid. (ii) What is meant by amphoteric oxide? Give…

(a)(i) Define the term polymerization. (ii) List the three conditions required for the polymerization on of ethene. (iii)…

(a) X and Y belong to the same period in the Periodic Table is a group I element…

The compound whose formula is written below is a major component of a soft fatty substance: (a) State…

 Mention the respective properties of the following allotropes of carbon that account for their uses as indicated: (a)…

State which of the following can exhibit geometric isomerism: Give reason for your answer Explanation (a) and (d)…