According to a universally accepted rule, the rate of a chemical react – McqOptions

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1.	According to a universally accepted rule, the rate of a chemical reaction doubles or halves respectively when the temperature is increased or decreased by how many centigrade?
A.	10 degree centigrade
B.	20 degree centigrade
C.	25 degree centigrade
D.	27 degree centigrade
Answer» B. 20 degree centigrade

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