Answers (i) List three characteristic properties of transition metals (ii) 0.45g of a metal M was… (a)(i) List three characteristic properties of transition metals (ii) 0.45g of a metal M was deposited when a… Read More
Answers (i) Define entropy (ii) What term is used to describe a reaction in which heat… (a)(i) Define entropy (ii) What term is used to describe a reaction in which heat is absorbed from… Read More
Answers (i) List two reactants for the laboratory preparation of ammonia (ii) State three physical properties… (a)(i) List two reactants for the laboratory preparation of ammonia (ii) State three physical properties of ammonia (iii)… Read More
Answers (i) State two general methods of preparing soluble salts. (ii) Mention three pieces of apparatus… (a)(i) State two general methods of preparing soluble salts. (ii) Mention three pieces of apparatus required for determining… Read More
Answers State Gay Lussac’s law of combining volumes (b) Hydrogen reacts with oxygen according to… (a) State Gay Lussac’s law of combining volumes (b) Hydrogen reacts with oxygen according to the following equation;… Read More
Answers Mention three chemical properties of chlorine (b) What type of reaction is represented by… (a) Mention three chemical properties of chlorine (b) What type of reaction is represented by each of the… Read More
Answers Give one example of a metal which: (i) can displace hydrogen from cold water… (a) Give one example of a metal which: (i) can displace hydrogen from cold water (ii) at red-heat,… Read More
Answers State two properties of alkalis (b)(i) Why is tetraoxosulphate (VI) acid able to produce… (a) State two properties of alkalis (b)(i) Why is tetraoxosulphate (VI) acid able to produce two types of… Read More
Answers Consider the reaction represented by the following Q equation: N(_2)O(_{4(g)}) (rightleftharpoons) 2NO(_{2(g)}) (Delta)H = +57.2KJmol(^{-1})… Consider the reaction represented by the following Q equation: N(_2)O(_{4(g)}) (rightleftharpoons) 2NO(_{2(g)}) (Delta)H = +57.2KJmol(^{-1}) (a) When is… Read More
Answers List two products obtained when crude oil is refined (b)(i) What is the general… (a) List two products obtained when crude oil is refined (b)(i) What is the general formula for alkanols?… Read More