Jamb Chemistry 2016 Past Questions and Answers

Question 36:

• JAMB 2016

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is

A. Blue
B. Red
C. Orange
D. Purple

Question 37:

• JAMB 2016

An example of a solid emulsion is

A. Butter
B. Hair cream
C. Milk
D. Cod-liver oil

Question 38:

• JAMB 2016

An isotope has an atomic number of 15 and a mass number of 31. The number of proton it contains is

A. 16
B. 15
C. 31
D. 46

Question 39:

• JAMB 2016

Calculate the volume in cm³ of oxygen evolved at s.t.p when a current of 5A is passed through acidified water for 193s?
[F = 96500 C mol¹. Molar volume of a gas at s.t.p = 22.4dm³]

A. 0.056dm³
B. 0.224dm³
C. 224.000dm³
D. 56.000dm³

Question 40:

• JAMB 2016

The gas that is used for the treatment of cancer is

A. Neon
B. Radon
C. Xenon
D. Argon