Chemistry 1995 JAMB Past Questions

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In general, an increase in temperature increases the solubility of a solute in water because?

A. more solute molecules collide with each other
B. most solutes dissolve with the evoltion of heat
C. more solute molecules dissociate at hihger temperatures
D. most solutes dissolve with absorption of heat

View Answer & Discuss (7) JAMB 1995

Neutralization involves a reaction between H₃O⁺ and?

A. CI^-
B. OH^-
C. NO₃^-
D. CO₃^2-

View Answer & Discuss (1) JAMB 1995

In the process of silver-plating a metal M, the metal M is the?

A. anode and a direct current is used
B. cathode and an alternating current is used
C. anode and an alternating current is used
D. cathode and a direct current is used

View Answer & Discuss (12) JAMB 1995

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How many moles of copper would be deposited by passing 3F of electricity through a solution of copper (II) tetraoxosulpohate (IV)?

(F = 96 500 C mol^-)

A. 0.5
B. 1.0
C. 1.5
D. 3.0

View Answer & Discuss (1) JAMB 1995

2CL^-_(aq) → CI_2(g) + 2e^-(aq). The above half-cell reaction occuring at the anode during the electrolysis of dilute ZnCI₂ solution is?

A. ionization
B. oxidation
C. reduction
D. recombination

View Answer & Discuss (5) JAMB 1995

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Chemistry 1995 JAMB Past Questions

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