Which one of the following statements about ∝ particles is NOT true?

The active catalyst in a car′s catalytic converter is:

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

The problem with the students is that they arrive late, gives no excuse, and are rude when spoken to.

When we focus on a near object, the lens in our eye:

Which of the following documents may be used to inform a customer of an undercharge on an invoice?

All of these are fractions from crude oil EXCEPT for:

A man's regular pay is $3 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid $168, how many hours overtime did he work?

When zinc sulphide is heated in air the gas produced is:

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

In the Venn diagram above, the shaded portion represents

Instructions: Select the option A, B, C or D that BEST describe the sentence.

Seldom do people declare that they are not the products of their environment.

Which of the following social issues are associated with the use of illegal drugs by adolescents?

1. Criminal activity
2. Indiscipline
3. Early marriage
4. Poverty

Acid soils can be neutralised by adding:

A force of 100 N starts to act on a body of mass 20 kg which is initially at rest. After 10 s its velocity will be:

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

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:

Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass

Which of the following is a subset of {b, c, d}?

Who presides over the House of Assembly / House of Representatives?

All of these elements form allotropes EXCEPT for: