Which one of these statements is true for ALL electromagnetic waves?

Decomposers are important in the process of decay because:

The optimum pH for most enzyme action is:

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

The particles in a liquid:

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

The biased reporter is concerned not so much with the truth of what he writes, as with its credibility.

The number of double bonds in a molecule of carbon dioxide is:

1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:

To electrolyse solid lead bromide it must first be heated so that:

Which of the following are examples of institutions?

1. Bank
2. School
3. Church
4. Government

The group of elements whose molecules and atoms are the same is called:

A square has the same area as a rectangle with sides of length 9 centimetres and 16 centimetres. What is the length of the square?

Three lights flash at intervals of 2, 6 and 14 seconds respectively. They are started together. How soon after will they next flash together again?

When rotated through 90° about the origin in a clockwise direction, the image of the point (3, 1) is

The Periodic Table is arranged in order of:

The number of atoms in a diatomic molecule is:

All of the following are components of an ecosystem EXCEPT for:

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

She paid meticulous attention to her work as she attached the beads to the costume.

Which of the following would NOT be considered part of the prime cost of manufactured goods?

Which statement is not true of sperm and ova?