Any solution with a pH below 7 must be:

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

Which one of the following is NOT a receptor in the body?

Dividing the mass in grams by the mass of 1 mole in grams gives:

Mrs. Green is a dry goods merchant. Which of the following transactions would result in a debit to her Cash Account?

To make car bodies we use:

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?

The range of values of v when 5 - v ≤ 2v - 1 is

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

The term __________ designates equipment that might be added to a computer system to enhance its functionality.

Biological catalysts in yeast are called:

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

The biased reporter is concerned not so much with the truth of what he writes, as with its credibility.

After Lloyd's father died, Lloyd invited his mother to live with his wife, his two sons and himself. The new family structure would be termed.

Which of the following statements is UNTRUE?

The alcohol in beer and spirits is called:

The main site of action of ADH (antidiuretic hormone).

Which of the following words BEST describes a quadrilateral with all its sides equal?

Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus

Vaccination causes a person′s immune system to produce:

The pie chart above shows how a student used 10 hours per week for studying English (E), Mathematics (M), French (F) and Geography (G), The amount of hours spent studying French is approximately