For Mg++ to turn into an atom of magnesium metal it must:

When aluminium is extracted by electrolysis, cryolite is added to:

Personal accounts are found in the

A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the job is left undone?

Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

Despite his short-temper, his willingness to give of his wealth to help others to succeed led people to call him ............

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

in which of the following accounts is debenture interest charged as an expense?

THE ITEM refer to the following family functions.

The family provides food, clothing and shelter for the children.

The correct equation for photosynthesis is:

A flame test colour of red could indicate the presence of a compound of:

The number of kilos in 1 metric tonne is:

In a plant cell, turgor is caused by:

Two resistors, one of 4 Ω and one of 6 Ω, are connected in parallel.Their combined resistance is:

In electrolysing a solution of copper sulphate using copper electrodes, the anode:

Vaccination causes a person′s immune system to produce:

Candied fruits are preserved in a strong solution of:

All of the following are general purpose software EXCEPT __________.

When large molecules are broken down into smaller ones it is called:

We can separate an insoluble solid from a liquid using: