JAMB Past Questions and Answers - Page 1215

6,071.

Akirika bought a motor van for his business by cash. The entries are to debit

A.

Motor van and credit Akirika

B.

Sales and credit Akrika

C.

Motor van and credit cash

D.

Cash and credit motor van

Correct answer is C

Since the van is not for resale rather to help in the running of the business, we debit motor van and credit cash account.

6,072.

Which one of the following is not a mixture?

A.

Air

B.

Mercury

C.

Milk

D.

Cement

Correct answer is B

A  mixture is a material made up of two or more different chemical substances which are not chemically combined. 

Mercury is a chemical element with the symbol Hg and atomic number 80.

6,073.

A 'breath test' used by traffic police to check drunken driving uses?

A.

Tumeric on filter paper

B.

Silica gel coated with saliva nitrate

C.

Potassium permanganate-sulphuric acid

D.

Potassium dichromatic-sulphuric acid

Correct answer is D

The earliest developed breathalyzer was based on reaction of alcohol if present in the exhaled air with a cocktail of chemicals containing sulfuric acid, potassium dichromate, silver nitrate, and water. Silver nitrate catalyzes the reaction between alcohol and potassium dichromate in acidic medium.

6,074.

What is the chemical name for the compound CuCO\(_{3}\)?

A.

Copper (iii) carbonate

B.

Copper (ii) carbonate

C.

Copper (i) carbonate

D.

Copper

Correct answer is B

Copper(II) carbonate or cupric carbonate is a chemical compound with formula CuCO\(_{3}\) 

6,075.

The capital of a sole trader can be increased by

A.

Debiting the capital account

B.

Crediting the capital account

C.

Debiting the cash account

D.

Crediting the cash account

Correct answer is C

No explanation has been provided for this answer.