CHCl₃ + Cl₂ → HCl + CCl₄. The reaction above is an example of?

• A. an addition reaction
• B. a substitution reaction
• C. a chlorination reaction
• D. a condensation reaction

Which of the following pairs has compounds that are isomers?

• A. Propanal and propanone
• B. Ethanoic acid and ethylmethanoate
• C. Ethanoic acid and ethane-1, 2-diol
• D. 2-methylbutane and 2, 2-dimethylbutane

Sales ledger control account contains the total amount in respect of

• A. creditors
• B. debtors
• C. investors
• D. shareholders

Two cylinders A and B each contains 30 cm³ of oxygen and nitrogen respectively at the same temperature and pressure. If there are 5.0 moles of nitrogen, then the mass of oxygen is?

• A. 3.2 g
• B. 6.4 g
• C. 80.0 g
• D. 160.0 g

Aromatic and aliphatic hydrocarbons can be distinguished from each other by the?

• A. action of bromine
• B. use of polymerization reaction
• C. action of heat
• D. use of oxidation reaction

Which of the following is a example of a chemical change?

• A. Dissoultion of salt in water
• B. Rusting of iron
• C. Melting of ice
• D. Separating a mixture by distillation

An example of a secondary amine is?

• A. propylene
• B. di-butylamine
• C. methylamine
• D. trimethylamine

A gas that will turn orange potassium heptaoxodichromate (lV) solution to clear green is?

• A. sulphur (lV) oxide
• B. hydrogen sulphide
• C. sulphide (lV) oxide
• D. hydrogen chloride

Deliquescent substances are also?

• A. efflorescent
• B. anhydrous
• C. hygroscopic
• D. insoluble

The role of sodium chloride in the preparation of soap is to?

• A. purify the soap
• B. separate the soap from glycerol
• C. accelerate the decomposition of the fat or oil
• D. react with glycerol