Sodium metal is always kept under oil because it

• A. Readily reacts with water
• B. Is reduced by atmospheric nitrogen
• C. Reacts vigorously on exposure to air
• D. Reacts with oxygen and carbon (IV) oxide

Fill in the gap with the option that best completes the sentence.

Between you and _____, he is a liar.

• A. all of the above
• B. me
• C. i
• D. none of the above

Which of the following is true of inter community relationship?

• A. Females migrates to rural areas to give birth
• B. Youth migrate to urban areas in search of jobs
• C. Immigrants settle in the city's central Business District
• D. City dwellers seek schools for their children in rural areas

One of the benefits which the West African state derive from the United Nations is

• A. equal opportunities of appointments to its highest office
• B. permanent membership of the Security Council
• C. greater access to all the organs of the United Nations
• D. total eradication of poverty from the African continent

commercial activities recieved a great boost in west A frica due to contact with?

• A. Asians
• B. Europeans
• C. Americans
• D. Africans

Calculate the probability that the product of two numbers selected at random with replacement from the set {-5,-2,4, 8} is positive

• A. \(\frac{2}{3}\)
• B. \(\frac{1}{2}\)
• C. \(\frac{1}{3}\)
• D. \(\frac{1}{6}\)

The diagram given illustrates a force-distance graph for the motion of a wooden block. Determine the work done on the block when moved through a distance of 5m.

• A. 4J
• B. 15J
• C. 5J
• D. 100J

The equation of a circle is \(x^{2} + y^{2} - 8x + 9y + 15 = 0\). Find its radius.

• A. 5
• B. \(\frac{1}{2}\sqrt{15}\)
• C. \(\frac{1}{2}\sqrt{85}\)
• D. \(\sqrt{85}\)

Which of the following instruments of payment could be used in international trade?

• A. Promissory note
• B. B. Postal order
• C. I. O.U
• D. Bill of exchange

A public limited company can raise long-term loans through

• A. the capital market
• B. the money market
• C. bank overdrafts
• D. discount houses