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

The state symbol for a solution in water is:

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?

The statements refer to a fuse. Which one is true?

Which of the following does NOT play a role in evolutionary change?

Plants lose water through their leaves by the process of:

The halogen used to make bleach is called:

A rectangular tank is 100 cm long, 30 cm wide and 12 cm deep. The volume of liquid it will hold is

All of these are ordered crystalline structures EXCEPT for:

Which of the following are all deficiency diseases?

In a titration the long tube with a volume scale is a:

3 ⁴/₅ expressed as a decimal is

The blood cells that engulf invading microorganisms are:

In a food chain a plant is a producer because it produces:

Alcohol can be separated from beer using:

A __________ is a device that is externally connected to and under the control of the central processing unit.

A square has the same area as a rectangle with sides of length 4 centimetres and 25 centimetres. What is the length of the square?

An electron, with its charge of 1.6 × 10^-19 C, is moved from one place at +8 V to a different place which is at 0 V.The energy released will be:

Large-scale applications sometimes refer to a graphic tablet as a __________.

The interest rate on investments in a bank decreased from 8 ¹/₂ per cent per annum to 6 per cent per annum. The difference in annual interest on a deposit of $2 000 is