Answers

(a)(i) State the two main processes involved in the manufacture of oxygen from air (ii) Name the type…

 (a) List two industrial uses of concentrated tetraoxosulphate (VI) acid (b) The diagram below represents the set-up for…

(a)(i) What is an electrolyte? (ii) Classify each of the following as strong electrolyte/weak, electrolyte/non-electrolyte. Potassium chloride; sodium…

(a) List two properties of alpha particles. (b) X is an element which exists as an isotopic mixture…

(a)(i) What type of reaction is involved in each of the conversion processes indicated as I to V…

(a)(i) Define heat of neutralization (ii) Give the reason why copper (II) chloride can be prepared by neutralization,…

(a) If a steel spoon were to be plated with silver, state what would be suitable for use…

(a)(i) List the quantum number that are assigned to an electron in an atom. (ii) What is the…

(a) List two uses of sodium trioxocarbonate (IV). (b) Sodium trioxocarbonate (IV) solution is alkaline. (i) What phenomenon…

Xg of a pure sample of iron (II) sulphide reacted completely with excess dilute hydrochloric acid to give…