Jamb Chemistry 1991 Past Questions and Answers

Question 36:

• JAMB 1991

Which of the following metals can be prepared in samples by the thermal decomposition of their trioxonitrate (V) salts?

A. Copper and mercury
B. Silver and copper
C. Mercury and silver
D. Magnesium and mercury

Question 37:

• JAMB 1991

Copper (II) tetraoxosulphate (IV) is widely used as a?

A. Fertilizer
B. Fungicide
C. Disinfectant
D. Purifier

Question 38:

• JAMB 1991

Copper (II) tetraoxosulphate (IV) is widely used as a?

A. Fertilizer
B. Fungicide
C. Disinfectant
D. Purifier

Question 39:

• JAMB 1991

Which of the following compounds can exist as geometric isomers?

A. 2-methylbut-2ene
B. But-2-ene
C. But-1-ene
D. CI-C-Br

Question 40:

• JAMB 1991

How many grams of bromine will be required to completely react with 10 g of propyne?
(C = 12, H = 1, Br = 80)

A. 20 g
B. 40 g
C. 60 g
D. 80 g