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JAMB UTME

Chemistry Past Questions

834 questions  ·  21 years  ·  1983–2004

Full JAMB UTME past questions with correct answers. Practice with timed simulations, track your scores, and top the leaderboard.

834
Questions
21
Years
1983
Earliest

Sample Questions

Showing 10 of 834 questions
1
JAMB UTME 1983

X is crystalline salt of sodium. Solution of X in water turns litmus red produces a gas which turns lime water milky when added to sodium carbonate. With barium chloride solution, X gives a white precipitate which is insoluble in dilute hydrochloric acid. X is

A Na2,CO3
B NaHCO3 C NaHSO4 D Na2SO3
C
D
Answer: A
2
JAMB UTME 1983

The alkanol obtained from the production of soap is

A ethanol B. glycerol
B
C methanol
D propanol
Answer: B
3
JAMB UTME 1983

The flame used by welders in cotton metals is

A butane gas flame
B acetylene flame
C kerosene flame
D oxy-acetylene flame
Answer: D
4
JAMB UTME 1983

Consecutive members of an alkane homologous series differ by

A CH
B CH2
C CH3
D CnHn
Answer: B
5
JAMB UTME 1983

If an element has the lectronic configuration 1s2 2s2 2p6 3s2 3p2, it is

A a metal
B an alkaline earth metal
C an s-block element
D a p-block element
Answer: D
6
JAMB UTME 1983

The three-dimensional shape of methane is

A hexagonal
B tigonal
C linear
D tertrahedral
Answer: D
7
JAMB UTME 1983

Compound W is

A a soap
B an oil
C an alkane
D an ester
Answer: D
8
JAMB UTME 1983

The molecular formula of X is

A C12H22O11
B C6H12O6
C C3H6O3
D C7H14O7
Answer: B
9
JAMB UTME 1983

reaction of X with yeast forms the basic of the

A plastic industry
B textile industry
C brewing industry
D soap industry
Answer: C
10
JAMB UTME 1983

A mixture of common salt, ammonium chloride and barium sulphate can best be separated by

A addition of water followed by filtration then sublimation
B addition of water followed by sublimation then filtration
C sublimation followed by addition of water then filtration
D fractional distillation
Answer: A

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