The only one of the following which is NOT a change of state is:

Which one of the following statements about constructive interference is NOT true?

In a titration the long tube with a volume scale is a:

In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is:

Another name for authorised capital is

A square has the same area as a rectangle with sides of length 4 centimetres and 25 centimetres. What is the length of the square?

In pea plant size, tall is dominant to dwarf.You cannot tell whether a tall plant is homozygous (TT) or heterozygous (Tt).To find its genotype you perform a test cross.This involves:

POPULATION PYRAMID FOR COUNTRY X

Which of the following features of Country X may be gathered from the diagram above?

Which of the following is LEAST likely to lead to the development of the Human Resources of a country?

The only common gas that turns moist red litmus paper blue is:

0.0039 × 10^-2 in scientific notation is

Which of the following is NOT a way in which infectious diseases can be transmitted?

The number of carbon atoms in the alcohol, pentanol, is:

When focussing on distant objects:

The splitting of a beam of white light into the colours which make it up is called:

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

All of these are fractions from crude oil EXCEPT for:

When an element combines with oxygen we get an:

Hormonal methods of contraception work by:

__________ is a temporary holding area for data, application program instructions, and the operating system.