During the year ended 31st December 2001,Nuju Enterprises paid rent as follows:Jan. 20, N24 000 for a period of 4 months.May. 16, N30 000 for a period of 5 months.Oct. 15, N36 000 for a period of 6 months.

What is the overpaid portion of the rent?

• A. N36 000
• B. N18 000
• C. N12 000
• D. N6 000

If sin θ = - \(\frac{3}{5}\) and θ lies in the third quadrant, find cos θ

• A. \(\frac{4}{5}\)
• B. - \(\frac{5}{4}\)
• C. \(\frac{5}{4}\)
• D. - \(\frac{4}{5}\)

(a)(i) Give one major use of alkenes.

(ii) Name the simplest alkane that exhibits structural isomerism

(iii) Determine the molar mass of an alkane that is represented as C\(_x\)F\(_{22}\). [H = 1, C = 12]

(iv) List two types of chemical reactions which the alkenes and alkynes undergo.

(b)(i) State the type of reaction involved in the conversion of palm oil to margarine.

(ii) Give the reason why the palm oil for manufacturing margarine is first treated activated charcoal

(iii) What is commonly used to catalyse the conversion of vegetable oils to margarine?

(c)(i) Name the class of organic compounds to which oils belong.

(ii) Describe briefly procedure for the manufacture of soap from vegetable oils

(iii) Explain why the presence of calcium ions in domestic water supply wastes soap.

Which vertebra has a projection called odontoid process?

• A) Atlas
• B) Thoracic
• C) Lumbar
• D) Axis

There are 600 pupils in a school. If 33% are girls, how many boys are there in the school?

• a. 198
• b. 300
• c. 402
• d. 450

In the long run, a firm in a perfectly competitive market will make?

• A. normal profit
• B. adnormal profit
• C. marginal profit
• D. no profit

Wildlife Management includes one of the following:

• A) Habitat Conservation
• B) Habitat Consumption
• C) Habitat Liberation
• D) Habitat population

Citizenship can be changed through

• A. proclamation
• B. residence
• C. renunciation
• D. announcement

Approximately, how many people speak Chinese language?

• A. billion
• B. million
• C. 1 lakh
• D. 1 thousand

Calculate the amount in moles of a gas which occupies 10.5 dm³ at 6 atm and 30oC [R = 082 atm dm³/K/mol]

• A) 2.536
• B) 1.623
• C) 4.736
• D) 0.394