Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 213 of 557.

Chemical Engineering MCQs

Showing page 213 of 557 · 8,342 total solved questions available.

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A.Red phosphorous is the most reactive allotropic form of phosphorous
B.Red phosphorous, which is used in the manufacture of safety matches, is converted into white
C.Chemically unreactive nature of red phosphorous is due to its polymeric structure
D.‘Green acid’ is the other name of phosphoric acid produced by the reaction of phosphate rock
Explanation: The correct answer is Red phosphorous is the most reactive allotropic form of phosphorous.

Submitted by: Academy of Pakistan

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A.Is the minimum energy which the molecules must have before the reaction can take place
B.Is same as heat of reaction at constant pressure
C.Both B. and C.
D.Varies as fifth power of the temperature
Explanation: The correct answer is Is the minimum energy which the molecules must have before the reaction can take place.

Submitted by: Academy of Pakistan

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