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UTME Chemistry 2010 JAMB Past Questions and Answers, Jamb, Pre-degree, Nursing, Waec, Neco

UTME Chemistry 2010 JAMB Past Questions and Answers, Jamb, Pre-degree, Nursing, Waec, Neco

UTME Chemistry 2010 JAMB Past Questions and Answers

1.     Which of the following is used in rocket fuels?

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Options

A) HNO3

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B) CH3COOH

C) H2SO4

D) HCl

The correct answer is A.

2.  A constituent common to bronze and solder is

Options

A) lead

B) silver

C) copper

D) tin

The correct answer is D.

3.  Iron can be protected from corrosion by coating the surface with

Options

A) gold

B) silver

C) copper

D) zinc

The correct answer is D.

4.  What quantity of aluminium is deposited when a current of 10A is passed through a solution of an aluminium salt for 1930s?

[Al = 27, F = 96500 C mol -1]

Options

A) 0.2 g

B) 1.8 g

C) 5.4 g

D) 14.2 g

The correct answer is B.

5.  In which of the following is the entropy change positive?

Options

A) Thermal dissociation of ammonium chloride

B) Reaction between an acid and a base

C) Addition of concentrated acid to water

D) Dissolution of sodium metal in water

The correct answer is A

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