In the modern Periodic Table the elements are arranged:

g/dm³ are units of:

When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and:

The following statements describe the molecules in a gas at around room temperature. Which one is NOT true?

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

A man bought a shirt at a sale. He saves $30 on the normal price when he paid $120 for the shirt. What was the percentage discount on the shirt?

Which one of the following lists only differences between aerobic respiration and anaerobic respiration?

In the figure above, AB || CD and ∠BAD = 32° . ∠APC =

An alternate form of a gene is called an:

In terms of mass, compared to a proton, an electron:

Quantity of electricity in coulombs = current in amps multiplied by:

The nucleus of a carbon atom has six protons and eight neutrons.Which one of the following describes it?

How many grams are in 2.5 kilograms?

The introduction of machines in agriculture results in the unemployment or farm workers.

The type of unemployment these workers suffer is

What is the BEST option available to persons who are qualified but cannot find a job?

Which of the following routes taken by blood in the body is correct?

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?

Which one of the following best describes hormones?

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

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

He advanced a step or two to meet his attacker who suddenly became alarmed and retreated back four or five paces.