Jamb Chemistry Past Questions and Answers

Question 1736:

• JAMB 2013

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

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

Question 1737:

• JAMB 2013

The radioactive emission with the least ionization power is

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

Question 1738:

• JAMB 2013

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)

Question 1739:

• JAMB 2014

A mixture is different from a compound because

A. The properties of a compound are those of its individual constituents while those of a mixture differ from its constituents
B. A mixture is always homogeneous while a compound is not
C. The constituent of a compound are chemically bound together while those of a mixture are not
D. A mixture can be represented by a chemical formula while a compound cannot

Question 1740:

• JAMB 2014

A mixture is different from a compound because

A. The properties of a compound are those of its individual constituents while those of a mixture differ from its constituents
B. A mixture is always homogeneous while a compound is not
C. The constituent of a compound are chemically bound together while those of a mixture are not
D. A mixture can be represented by a chemical formula while a compound cannot