Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 231:

• JAMB 2005

I. Treatment of cancerII. Detection of leakages in water mainsIII. Detection of the ages of ancient toolsIV. Preparation of drugs
Which combination of the above refers to the uses of radioactive isotopes?

A. I and III
B. I and II
C. I, II and III
D. I, II, III and IV

Question 232:

• JAMB 2005

The gas that can be dried using concentrated tetraoxosulphate (VI) acid is

A. Hydrogen bromide
B. Sulphur (IV) oxide
C. Hydrogen sulphide
D. Ammonia

Question 233:

• JAMB 2006

The sulphide which is insoluble in dilute hydrochloric acid is

A. FeS
B. CuS
C. ZnS
D. Na₂S

Question 234:

• JAMB 2006

The gas obtained as a product of anaerobic action on organic matter buried in the earth is

A. Ethene
B. Methane
C. Carbon (IV) oxide
D. Nitrogen (IV) oxide

Question 235:

• JAMB 2006

Nigerian crude oil is described as light crude because of its

A. Low sulphur content
B. High natural gas content
C. High octane number
D. Low aliphatic-hydrocarbon content