Jamb Chemistry 2016 Past Questions and Answers

Question 26:

• JAMB 2016

Which of the following statements is correct about the periodic table?

A. Elements in the same group have the same number of electron shells
B. The non-metallic properties of the elements tend to decrease across each period
C. Elements in the same period have the same number of valence electrons
D. The valence electrons of the elements increase progressively across the period

Question 27:

• JAMB 2016

The metal whose ore can be concentrated by passing it through a magnetic separator is

A. Zn
B. Sn
C. Cn
D. Ca

Question 28:

• JAMB 2016

An example of an acidic oxide is

A. NO
B. CO
C. SO₂
D. CuO

Question 29:

• JAMB 2016

What volume of 0.5M H2SO4 will exactly neutralize 20cm3 of 0.1M NaOH Solution?

A. 2.0cm ³
B. 5.0cm ₃
C. 6.8cm ³
D. 8.3cm ³

Question 30:

• JAMB 2016

Diamond cannot be used

A. In making bicycle chains
B. As abrasives
C. In cutting glass and metals
D. As dies for drawing wires