JAMB Past Questions and Answers - Page 1188

5,936.

An organic compound with fishy smell is likely to have a general formula?

A.

RCONHR\(^1\)

B.

RCONH\(_2\)

C.

RNH\(_2\)

D.

RCOR\(^1\)

Correct answer is C

Amines possess a characteristic ammonia smell, liquid amines have a distinctive "fishy" and foul smell. 

-Amine. R-NH2

5,937.

Accountant-general of the federation is responsible for

A.

The general supervision of all auditing personnel in all the ministeries

B.

The compilation of annual financial statement

C.

The interpretation of rules and regulations affecting the private sectors

D.

Ensuring the efficient operation of the ministries

Correct answer is B

The Accountant-General is vested with the duties of: receiving, keeping and disbursement of government funds; recording and reporting of government financial transactions; exercising supervisory powers over other ministries in terms of financial matters; managing government investments etc.

 

5,938.

Using the metal activity series, the metal that can liberate hydrogen gas from steam is?

A.

iron

B.

copper

C.

tin

D.

lead

Correct answer is A

Iron reacts with steam to form iron oxide and hydrogen gas.

5,939.

The debenture issued at par above the nominal value is said to be issued at a

A.

Cost price

B.

Mark-up

C.

Premium

D.

Margin

Correct answer is C

If debentures are issued at a price more than its nominal value (face value) such an issue is called issue at a premium.

 

5,940.

Addition of charcoal to the filter bed of sand during water treatment for township supply is to?

A.

prevent goiter

B.

prevent tooth decay

C.

remove odour

D.

kill germs

Correct answer is C

Activated Carbon filters are excellent at removing chlorine and related poor taste and odor.