When solid carbon dioxide turns straight into a gas we call it:

Healthy individuals are beneficial to a country′s development because such individuals are likely to be

When we sweat, we lose heat because:

In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is:

Which of the following devices are MOST LIKELY to be used at an airport for border control activities?

The specific heat capacity of a particular liquid is 3000 J kg^-1 K^-1. A large beaker containing 2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the thermal energy could be transferred to the liquid, how long would it take?

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

The news shocked me so much that I almost forgot what I wanted to say.

In a school of 910 pupils, ²/₅ are girls and ²/₇ of the girls play netball. How many girls play netball?

To which category of software does Microsoft Works belong?

The optimum temperature for enzyme action is:

The area of the trapezium ABCD above is

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 we are too hot, more blood flows through the capillaries near the surface of the skin. This helps us to cool down because the blood loses heat by:

An example of an air pollutant is:

Transpiration is:

Absolute zero is:

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

There is hardly a point to our knocking as no one is not at home.

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?

Which of the following statements about photosynthesis is NOT true?

Which of the following persons listed below is the Head of the Judiciary?