AIDS is a killer disease because:

The monomer used to make poly (propene) is called:

Candied fruits are preserved in a strong solution of:

Sweating can help to cool the body. This cooling is achieved mainly by:

Which of the following statements is true?

A current of 2 mA is flowing through a wire. How long will it take for 6 coulombs of charge to pass?

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

Had they not been forewarned, they might have joined the queue, not knowing that gas was not on sale at that station.

When carbon dioxide gas passes through limewater, the limewater:

The Periodic Table is arranged in order of:

75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?

When a metal wire carries an electric current, charges flow through it.The moving charges are:

Instructions: Choose the one NEAREST in MEANING to the original sentence.

No right thinking person who has lived in this country will fail to understand my disgust at noise.

Food can be preserved in all of these ways EXCEPT for:

Compared to industrialised countries, developing countries:

Removal of forests may cause all of the following EXCEPT

The units of specific latent heat are:

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

The Haber Process is used to make:

The particles in a liquid:

Adding mineral water to anhydrous copper sulphate turns it: