Chemistry 2000 Jamb Past Questions and Answers

Question 46 :

• JAMB 2000

The reaction of carbide with water gives

A. Ethyne
B. Ethene
C. Ethane
D. Ethanal

Question 47 :

• JAMB 2000

Alkanones are generally obtained by the oxidation of

A. Primary alkanols
B. Secondary alkanols
C. Tertiary alkanols
D. Alkanoic acid

Question 48 :

• JAMB 2000

Sucrose is made up of

A. Glucose and glucose
B. Glucose and fructose
C. Fructose and fructose
D. Galactose and glucose

Question 49 :

• JAMB 2000

The diagram above is the solubility curve of a solute, X. Find the amount of X deposited when 500cm³ of a solution of X is cooled from 60^oC to 20^oC.

A. 0.750 mole
B. 0.950 mole
C. 2.375 moles
D. 4.750 moles

Question 50 :

• JAMB 2000

Use the option above to answer this question. The graph that describes a zero order reaction is

A. A
B. B
C. C
D. D