(a) State two differences in the chemical properties of metals and non-metals.

(b) List two general methods of extract metals from their ores.

Choose the interpretation that is most appropriate for each sentence.

The chairman has come under fire over this project. This means that the chairman has been

• A. severely criticized
• B. highly praised
• C. given the go-ahead
• D. charged to court.

In which of the following regions is high population density attributable to agricultural development?

• A. The Rhur
• B. The Nile Basin
• C. The Amazon Basin
• D. The Midlands of England

In Nigeria, most agricultural policies are aimed at______?

• A. Ensuring equitable distribution of income
• B. Liberalizing all sectors of the nation's economy
• C. Encouraging the development of manufacturing sector
• D. Achieving self-sufficiency in food production

Copper is displaced from the solution of its salts by most metals because it

• A) is a transition element
• B) is at the bottom of the activity series
• C) is very reactive
• D) has completely filled 3d-orbitals

Authoritarianism is least inherent in

• A. feudalism
• B. fascism
• C. democracy
• D. monarchy

Which of the following concept stipulates that accounting profit is the difference between revenue and expenses?

• A. Accrual concept
• B. Conservatism concept
• C. Prudence concept
• D. Materiality concept

Fill each of the gap with the appropriate option from the list following the the gap.

Soyinka's masterful ....... of the atmosphere of his childhood helped to make his book, Ake, an ought success?

• A. envocation
• B. invocation
• C. convocation
• D. revocation

The deviations from the mean of a set of numbers are \((k+3)^{2}, (k+7), -2, \text{k and (} k+2)^{2}\), where k is a constant. Find the value of k.

• A. 3
• B. 2
• C. -2
• D. -3

Moammer Ghadafi died in which year ___

• A. 20, October 2011
• B. 21, September 2011
• C. 22, October 2011
• D. 22, October 2011