Science, asked by khanibrahim1923, 1 month ago

n an experiment to verify the law of conservation of mass in a chemical reaction, weighing the flask with its

content is done carefully:

(a) Only before the experiment

(b)Only after the experiment

(c) Both Before and after the experiment

(d) Weighing is not essenti

Answers

Answered by peincenileshdash

0

Answer:

option b

Explanation:

oooooooooooooooooook

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