Chemistry and Industry - Jamb Chemistry Past Questions and Answers

Question 151:

• JAMB 2015

Which of the following gives a precipitation when treated with NaOH Solution?

A. AlCl₃
B. NH₄Cl
C. Na₂CO₃
D. CH₃COONa

Question 152:

• JAMB 2015

Rare gases are suitable because they

A. Are monoatomic
B. Form ions easily
C. Have duplet or octet electronic configuration in the outermost shells in their atoms
D. Are volatile gases

Question 153:

• JAMB 2016

The industrial preparation of hydrogen gas from water gas is referred to as

A. Bosch process
B. Contact process
C. Haber process
D. Bayer Process

Question 154:

• JAMB 2016

An example of a solid emulsion is

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

Question 155:

• JAMB 2017

Aluminium hydroxide is used in the dyeing industry as a

A. Dye
B. Dispersant
C. Salt
D. Mordant