The density of pure water is:

The expression (3x - 2)(x + 1) =

How many subsets does the set {a, b, c, d, e} have?

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

Are you trying to ............ that all along he knew of the plot to oust the committee?

Hormonal methods of contraception work by:

All of these elements form allotropes EXCEPT for:

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:

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?

All of these are alkenes EXCEPT for:

The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is

A home computer system is equipped with a memory card reader, floppy disk drive, a DVD drive and an internal hard disk, The LEAST an MOST portable media that can be used with this computer are __________.

A species of mouse has 32 chromosomes in its muscle cells.What will be the numbers of chromosomes in the mouse′s skin cells and sperm cells?

All of the following are organelles EXCEPT for:

The optimum pH for most enzyme action is:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

She paid meticulous attention to her work as she attached the beads to the costume.

When metals react with acids they give a salt and:

Which of the following is NOT recorded in the General Journal?

1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:

In order to carry out photosynthesis, a plant needs:

In the rectangle above, if ∠AEB = 80°, then ∠DAC =