Oxidation can include all of these EXCEPT for:

Three lights flash at intervals of 4, 6 and 10 seconds respectively. They are started together. How soon after will they next flash together again?

Excretion is best defined as:

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

All of the following are non-metals EXCEPT for:

More collisions between particles are likely to happen if a solution is made:

Which of the following does NOT play a role in evolutionary change?

To work out the heat change in a reaction we need to know just three things, the mass, the temperature change and the:

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

The table shows the distribution of the ages of 25 students.

What is the probability that a student chosen at random is AT LEAST 13 years old?

When we sweat, we lose heat because:

Which one of the following taxonomic groups contains the greatest number of organisms?

Instructions: Select the option A, B, C or D that BEST describe the sentence.

Seldom do people declare that they are not the products of their environment.

The sizes of the interior angles of a polygon are x°, 2x°, 60°, 3x° and 36°. What is the value of x ?

Which one of the following statements about a voltmeter is NOT true?

The particles in a liquid:

A salt that contains water of crystallisation is:

Hydrochloric acid forms salts called:

Boiling and evaporation both involve a liquid turning into a vapour (i.e. a gas).The following statements relate to water.Which one is NOT true?

In the Trading Account Returns Outwards is deducted from