E-PolyLearning

401. 254 grams of Iodine has the numbers of mole equal to
a. 0.1
b. 1
c. 0.2
d. 2
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Answer: (b).1

402. It is common observation that rates of chemical reactions differ
a. A little bit
b. Greatly
c. Moderately
d. Do not differ
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Answer: (b).Greatly

403. The example of photochemical reaction is photosynthesis has to order of reaction
a. 1
b. 2
c. 3
d. 0
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Answer: (d).0

404. The rate of reaction between two specific time intervals is called
a. Average rate of reaction
b. Instantaneous rate of reaction
c. Rate of a reaction
d. None of above
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Answer: (a).Average rate of reaction

405. If the reaction is entirely independent of the concentration of reactants, it is
a. First Order
b. Second Order
c. Third order
d. Zero order
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Answer: (d).Zero order