A spring is 100 mm long when unstretched. A 40 N load is hung from it, and its total length increases to 120 mm. A different load on the spring causes it to become 150 mm long. If the spring obeys Hooke′s Law, this second load is:

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:

The following are all natural materials EXCEPT for:

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?

Which one of the following is NOT a harmful effect of smoking?

Which of the following characteristics MUST ALL formal groups possess?

1. Membership requirements
2. Code of conduct
3. Specific objectives
4. Elected leaders

To complete the reaction: acid + carbonate → salt + carbon dioxide + ?, we must add the word:

Which of the following statements about diffusion is NOT true?

Which of the following is NOT a way in which infectious diseases can be transmitted?

Which one of the following is NOT a magnetic material?

All of the following are general purpose software EXCEPT __________.

Which of the following nutrients is/are digested in the stomach?

The Periodic Table is arranged in order of:

A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.

The chemicals that make up the bodies of animals and plants are called:

When potassium burns in chlorine, the material that is oxidised is called:

To make cell walls, plants must have:

Which of the following does NOT contribute to unemployment?

Which of the following would DISCOURAGE emigration?

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