The gas produced are

A. Ammonia and water gas

B. Coal gas and ammonia

C. Coal gas and producer gas

D. Producer gas and water gas

E. Water gas and coal gas

The correct answer is D. producer gas and water gas.

Explanation: when coal is heated at a very high temperature in the presence of air. A combination of water gas and producer gas is formed.

To approximately what temperature is the coke in the furnace heated?

A. 450 degree Celsius

B. 900 degree Celsius

C. 1000 degree Celsius

D. 1450 degree Celsius

E. 2000 degree Celsius

The correct answer is C.

Explanation: Coke formed a mixture of water gas and producer gas in the presence of air at temperature of 1000 degree Celsius and above.

NECO CHEMISTRY 2001 QUESTIONS 1 AND 2

Posted by: Kingsley Thompson

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The gas produced are

Posted by: Kingsley Thompson

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