buying and selling of shares is a function performed mostly by the

• A. insurance companies
• B. stock exchanges
• C. merchant banks
• D. discount houses

(a) What is the anhydride of each of the following acids?:

(i) H\(_2\)SO\(_4\)

(ii) HNO\(_3\)

(b) Classify each of the: following as normal salt/acid salt/basic salt/double salt

(i) Sodium hydrogentrioxocarbonate (IV)

(ii) Iron (III) chloride

(iii) Sodium ethanoate.

The distance between two successive crests of a water is 1m. If a particle on the surface of the water makes two complete vertical oscillations in 1 second, calculate the speed of the wave

• A. 0.5 ms^-1
• B. 1.0 ms^-1
• C. 2.0ms^-1
• D. 3.0ms^-1

Will he come at twelve?

• (A)falling tune
• (B)rising tune
• (C)falling rising tune
• (D)rising-falling tune

What is the percentage by mass of copper in copper in copper (l) oxide (CU₂O)? [O = 16; CU =64]

• A. 88.9%
• B. 80.0%
• C. 66.7%
• D. 20.0%

How many orbitals are in the d-sub shell?

• A. 1
• B. 3
• C. 5
• D. 7

Placentation of plants is best described as the

• A. arrangement of ovules in the ovary
• B. arrangement of fruits on the branches
• C. development of ovules in the ovary
• D. formation of the pericarp from the ovary wall

Pontius Pilate condemned Jesus to death so that ______

• A. the Emperor might honour him
• B. the Jews might be pleased
• C. Barabbas could be freed
• D. justice could be done

What number should be subtracted from the sum of 2 \(\frac{1}{6}\) and 2\(\frac{7}{12}\) to give 3\(\frac{1}{4}\)?

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

If a woman's genotype is Tt Qq Rr, what would be the gene content of her eggs?

• A. TQr, tqr
• B. TQR, tqr
• C. TqR, tQr
• D. tQr, TQR