Jamb Chemistry Past Questions and Answers

Question 1896:

• JAMB 2016

An example of a solid emulsion is

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

Question 1897:

• 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 1898:

• 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 1899:

• JAMB 2016

The gas that is used for the treatment of cancer is

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

Question 1900:

• JAMB 2016

A chemical reaction in which the hydration energy is greater than the lattice energy is referred to as

A. A reversible reaction
B. A spontenous reaction
C. An endothermic reaction
D. An exothermic reaction