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70Shyam and Hari have 2 identical pieces of marble chips with same mass. They take equal volumes of dil. HCI with the same concentration in two different test tubes. Shyam puts the marble piece directly into the acid whereas Hari powdered the marble piece and puts it into the test tube. What will be the correct observation made? (NTSE Tamil Nadu, Stage-I, 2016-17)

Option : B
Explanation :

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