A salt that contains water of crystallisation is:

Compared to industrialised countries, developing countries:

In the Venn diagram above, the shaded portion represents

The following statements describe the molecules in a gas at around room temperature. Which one is NOT true?

Which one of the following is NOT a magnetic material?

The decimal equivalent of ³/₈ is

Which of the following can cross the placenta from mother to fetus?

Sweating can help to cool the body. This cooling is achieved mainly by:

Adding mineral water to anhydrous copper sulphate turns it:

The number of particles in a mole of any gas is always:

Which of the following words BEST describes a triangle with all its sides equal?

If ƒ : x → x² + 1, then ƒ(-3) is

The interest rate on investments in a bank decreased from 8 ¹/₂ per cent per annum to 6 per cent per annum. The difference in annual interest on a deposit of $2 000 is

The following statements describe an ordinary mercury-in-glass laboratory thermometer. Which one of them is NOT true?

In the equation, carbon monoxide + oxygen → carbon dioxide, a reactant is:

Oxygen is carried around the body by the:

Single-celled organisms do not need a transport system because:

The expression a² + b² is equivalent to

Caribbean governments have improved the rights of children born out of wedlock by.

The density of pure water is: