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UTME Chemistry 1994 JAMB Past Questions and Answers, Jamb, Pre-degree, Nursing, Waec, Neco

UTME Chemistry 1994 JAMB Past Questions and Answers, Jamb, Pre-degree, Nursing, Waec, Neco

UTME Chemistry 1994 JAMB Past Questions and Answers

1. The shape of ammonia molecule is?

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Options

A) trigonal planar

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B) octahedral

C) square planar

D) tetrahedral

The correct answer is A.

2. The general formula of alkanoates is?

Options

A) RCHO

B) R2CO

C) RCOOH

D) RCOOR

The correct answer is B.

3. One mole of a hydrocarbon contains 48 g of carbon. If it vapour density is 28, the hydrocarbon is?

Options

A) an alkane

B) an alkene

C) an alkyne

D) aromatic (C = 12, H = 1)

The correct answer is B.

4. Which of the following reagents will confirm the presence of unsaturation in a compound?

Options

A) Fehling’s solution

B) Bromine water

C) Tollen’s reagent

D) Benedict’s solution

The correct answer is B.

5. In an electrolytic set-up to protect iron from corrosion, the iron is?

Options

A) made cathode

B) made anode

C) used with a metal of lower electropositive potential

D) initially coated with tin

The correct answer is D.

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