Chemistry and Industry - Jamb Chemistry Past Questions and Answers

Question 146:

• JAMB 2015

In the industrial production of H₂ is removed by (solution)

A. Washing under pressure
B. Drying over phosphorus (V) oxide
C. Passing the mixture to the limewater
D. Using ammonical copper (I) chlorine

Question 147:

• JAMB 2015

A major source of oxide of nitrogen is from the burning of

A. Coal
B. Wood
C. Fuel
D. Chlorofluorocarbons

Question 148:

• JAMB 2015

The leachate of a certain ash is used in local soap because it contain

A. Sodium chloride and potassium hydroxide
B. Sodium hydroxide
C. Potassium hydroxide
D. Soluble carbonates and hydrogen carbonate

Question 149:

• JAMB 2015

All these are electromagnetic waves except

A. White light
B. Photon
C. X-ray
D. Infrared

Question 150:

• JAMB 2015

The energy value of petrol can be determined by

A. Bomb calorimeter
B. Catalytic cracker
C. Fractionating column
D. Thermometer