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

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

The halogen, bromine, at room temperature is a:

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

The workplace should be:

Which of the following would undermine the authority of parents in the home?

The number of litres in 2000 cm³ is:

To make fertilisers and explosives we need:

What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?

All of these are compounds EXCEPT for:

A political campaign is a method used by political parties to

In the figure above, the shaded portion represents

All of the following are organelles EXCEPT for:

The speed of a dot-matrix printer is measured by the number of __________ that it can print.

In a water condenser the cooling water enters at:

Which one of the following foods contains the most energy per 100 g?

All gas exchange surfaces in vertebrate animals have:

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

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

Water reabsorption is controlled by: