Chemistry 2016 Jamb Past Questions and Answers

Question 31 :

• JAMB 2016

Ethanol is soluble in water due to the presence of a

A. Carbonyl group
B. Hydroxyl groupd
C. Phenyl group
D. Methyl group

Question 32 :

• JAMB 2016

The number of electronic shells contained in an atom with electron configuration 1s²2s²2p⁶3s²3p⁶4s² is

A. 3
B. 2
C. 4
D. 5

Question 33 :

• JAMB 2016

The drying agent suitable for drying ammonia is

A. Calcium Chloride
B. Calcium Oxide
C. Phosphorus(V) Oxide
D. Concentrated H₂SO₄

Question 34 :

• JAMB 2016

The arrangement of particles in crystal lattices can be studied using

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

Question 35 :

• JAMB 2016

In the extraction of iron, the waste gas from the furnace is a mixture of

A. PH₃ CO and CO₂
B. CO and C
C. N₂ , CO and CO₂
D. PH₃ and CO