Jamb Chemistry Past Questions and Answers

Question 1461:

• JAMB 2008

\( _{11} ^{11}Na + _0^1n → _{11}^{24}Na \)
The reaction above is an example of

A. Nuclear fission
B. Nuclear fusion
C. Artificial transmutation
D. Beta decay

Question 1462:

• JAMB 2008

Air boiled out of water as steam is richer in

A. Nitrogen and oxygen
B. Carbon (IV) oxide and oxygen
C. Noble gases and carbon (IV) oxide
D. Oxygen and noble gases

Question 1463:

• JAMB 2008

In the course of purifying water for town supply the water is passed through large settlings tanks, containing sodium aluminate (III) to remove

A. Large particles
B. Germs
C. Fine particles
D. Odour

Question 1464:

• JAMB 2008

When a few drops of water is added to a blue anhydrous cobalt (II) chloride, the colour changes to

A. White
B. Pink
C. Red
D. Blue

Question 1465:

• JAMB 2008

The vulcanizer's solution is prepared by dissolving rubber in

A. Ethanol
B. Kerosine
C. Benzene
D. Petrol