Multiple Choice
Which of the following is always necessary for a chemical reaction to occur between two reactants, A and B?
A) Equal amounts of A and B must be present
B) A and B must be present in the same physical state
C) The reaction must be carried out at a temperature higher than room temperature
D) A and B must collide with the proper orientation and with a certain minimum amount of energy
Correct Answer:
Verified
Correct Answer:
Verified
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