Which of the following compounds is the least soluble in water?

• A. CaCl2
• B. CaSO4
• C. NaCl
• D. Na2SO4

When concentrated sodium chloride solution is electrolysed using inert electrodes the products are

• A. oxygen and hydrogen
• B. hydrogen and oxygen
• C. sodium and oxygen
• D. soduim and chlorine

NON-AFRICAN PROSE: WUTHERING HEIGHTS

Consider Heathcliff's marriage to Isabella.

The addition of prime cost, indirect cost and opening work-in-progress less the closing work-in-progress will result in cost of

• A. goods available for sale
• B. goods sold
• C. goods manufactured
• D. materials put into production

Which of the following is a semiconductor

• A. copper
• B. silicon
• C. plastic
• D. Iron

Which of the following compounds gives a yellow residue when heated and also reacts with aqueous sodium hydroxide to give a white gelatinous precipitate soluble in excess sodium hydroxide solution?

• A. (NH4)CO3
• B. ZnCO3
• C. Al2(SO4)3
• D. PbCO3

Citizenship of a state by descent requires that______

• A. one is born and bred in the state
• B. one’s mother was born in the state
• C. one’s grand parents were citizens of that state
• D. one is domiciled in that state

The 1960 Independence Constitution of Nigeria provided for the

• A. President as head of government
• B. Governor-General as head of state
• C. Queen as head of state
• D. Governor-General as head of government

The table gives the distribution of marks obtained by a number of pupils in a class test. Using this information, find the first quartile

• A. 1.0
• B. 1.5
• C. 2.0
• D. 2.5

Given that \(\frac{\mathrm d y}{\mathrm d x} = \sqrt{x}\), find y.

• A. \(2x^{\frac{3}{2}} + c\)
• B. \(\frac{2}{3}x^{\frac{3}{2}} + c\)
• C. \(\frac{3}{2}x^{\frac{3}{2}} + c\)
• D. \(\frac{2}{3}x^{2} + c\)