Chemistry, asked by pranalipalaspagar, 5 months ago

3. Why is it necessary to repeat the experiment in each case twice?
a. to take the
average
time
b. because there is no accuracy in appearance of blue colour.
c. the total amount of solution in each flask is not 100 cm
d. there is temperature variation in water bath.

Answers

Answered by AfrahNajeeb

9

a. to take the average time is the right answer according to me

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