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Chemistry 1988 Waec Past Questions and Answers

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Chemistry 1988 Waec Past Questions


Question 26 :



How many isomers can be obtained from C4H[sub]10?
[/sub]

A. O
B. 1
C. 2
D. 3
E. 4


Question 27 :



Water gas is a mixture of

A. CO2 and H[sub]2[/sub]
B. CO and H2O
C. CO2 and CO
D. CO and N2
E. CO and H2


Question 28 :



Which of the following metals cannot extracted from its ore by using carbon (ll) oxide as the reducing agent?

A. Cu
B. Zn
C. Al
D. Pb
E. Fe


Question 29 :



Which of the following is not a naturally occurring iron ore?

A. FeCl2
B. Fe2O3O3
C. Fe2O3
D. FeCO3
E. FeS2


Question 30 :



Which of the following equations represents the reaction of chlorine with hot concentrated sodium hydroxide solution?

A. 2KOH+CI2 → KCIO + KCI + H2O
B. 4KOH + 2CI → 4KCI + 2H2O + O2
C. 6KOH + 3CI2 → KCIO3 + 5KCI + 3H2O
D. 2KOH + CI2 → 2KCI + H2O2
E. KOH + 2CI2 + H2O → KCI + 3HCI + O2






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