The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

An insoluble metal oxide can be described as:

Compared to industrialised countries, developing countries:

-7 - (-3) =

Some foods contain flavour enhancers. These food additives:

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

The better of the two athletes claim never to have used the dangerous drugs found in his possession.

Which one of the following is NOT a receptor in the body?

The graph shows the results of an experiment to investigate
the relationship between the voltage placed across a light bulb
and the current which then flows through it.Which one of the
following statements is NOT true?

The pH scale runs from 1 to:

Which of the following devices are MOST LIKELY to be used at an airport for border control activities?

Globalization is characterized by all of the following EXCEPT the

The number of litres in 2000 cm³ is:

In the Venn diagram above, the shaded portion represents

Demersals are fish that are found:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

The headgear worn by the factory worker is made from artificial material.

The metal used in food containers whose surface is protected by a strong oxide layer is:

In a partnership maintaining fixed capital accounts, the net profit is appropriated to the

The number of electrons shared in a single covalent bond is:

Which of the following properties of water is not important to the survival of living things?