Chemistry 1999 Jamb Past Questions and Answers

Question 46 :

• JAMB 1999

In the diagram above, Y is a mixture of

A. Calcium hydroxide and ammonium chloride
B. Calcuim hydroxide and sodium chloride
C. Sodium chloride and ammonuim trioxonitrate (V)
D. Sodium dioxonitrate (lll) and ammouium chloride

Question 47 :

• JAMB 1999

Use the table above to answer this question . The element that is likely to participate in covalent rather than ionic bonding is

A. Z
B. Y
C. X
D. W

Question 48 :

• JAMB 1999

Use the table above to answer this question .The least reactive element is

A. W
B. X
C. Y
D. Z

Question 49 :

• JAMB 1999

In the diagram above, the mixture of the solids P and Q can be separated by

A. Distillation
B. Fractional distillation
C. Crystallization
D. Fractional crystallization