What unit measurement is used to express the speed of memory?

The expression (3x - 2)(x + 1) =

In Fleming's Left Hand Rule describing the motor effect, the directions are:

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

Which of the following methods of fishing is MOST damaging to the eco-system?

Which of the following represents numbers greater than -3 but less than 6 ?

When testing a leaf for the presence of starch, the correct sequence of procedures is:

Different structures based on the same molecular formula are called:

Which of the following statements is UNTRUE?

A store charges 15% VAT on all sales. What is the total cost of a TV set marked at $300 ?

This question refers to the triangle PQR in which angle QPR = 90°, PR = 12 cm and PQ = 5 cm.

The length of QR, in cm, is

Which one of the following would NOT give rise to a systematic error in an experiment?

The optimum pH for most enzyme action is:

An insoluble metal oxide can be described as:

To remove limescale from a tap you need:

When potassium burns in chlorine, the material that is oxidised is called:

Alcohol can be separated from beer using:

Given ƒ : x -> 3x - 1, and g : x -> x², then ƒg(-2) =

The halogen used to make bleach is called:

Identify the order in which the ancestors of the Caribbean people arrived in the region.

1. Amerindians
2. East Indians
3. Europeans
4. Africans