Chemistry 2013 JAMB Past Questions

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How many unpaired electron are in the p-orbitals of a fluorine atom?

A. 3
B. \( 0 \)
C. 1
D. 2

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The radioactive emission with the least ionization power is

A. \( \alpha - particles \)
B. X-rays
C. \( \gamma -rays \)
D. \( \beta - rays \)

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Zn_(s) + CuSO_4(aq) \( \to \) ZnSO_4(aq) + Cu_(s)

In the reaction above, the oxidizing agent is

A. CuSO_4(aq)
B. ZnSO_4(aq)
C. Cu_(s)
D. Zn_(s)

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2SO_2(g) + O_2(g) \( \iff \)2SO_3(g)

\( \bigtriangleup H = -395.7kJmol^{-1} \)

In the reaction above, the concentration of 2SO_3(g) can be in creased by

A. decreasing the pressure
B. decreasing the temperature
C. the addition of catalyst
D. increasing the temperature

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Chemistry 2013 JAMB Past Questions

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