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Online Tests
Chemistry 9th Class English Medium Unit 5 Online Test MCQs With Answers
Question # 1
Who use the word energy for the 1st time
Choose an answer
Rutherford
Bohr
Thomas Young
None of these
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Question # 2
Activation energy of a chemical reaction must be....... the everage kinetic energy of reacting molecules.
Choose an answer
Equal to
Grether than
Lower than
None of these
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