With iodine, starch changes colour to:

The proportions of elements in a pure compound are always:

The following figures are taken from a manufacturing account.


The cost of tie year's production of finished goods is

The expansion of (x - 2)² is

Compared to industrialised countries, developing countries:

Common salt can be used to make all of these EXCEPT for:

“ individual countries in the region are too small to make their presence felt on the world stage.”

Implied in this statement is the need for

A shopkeeper buys 48 radios for a wholesale price of $7200. At what price per radio must he sell to make a profit of 15% on his cost?

All of these are ordered crystalline structures EXCEPT for:

Personal accounts are found in the

When zinc sulphide is heated in air the gas produced is:

The decimal equivalent of ³/₈ is

When an acid neutralises an alkali the pH is likely to be:

Which one of these four statements is NOT true?

2p² -15p + 25 =

The common name for ascorbic acid is:

The standard atom used for mass calculations is:

On January 1, a firm's capital is $4,600. On December 31, of the same year, the following information was provided: Drawings $850, Total Assets $10,000. Loan Outstanding $950 and Creditors $4,000. What was the Net Profit that year?

The halogens are found in:

When potassium burns in chlorine, the material that is oxidised is called: