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WBJEE 2025 Physics and Chemistry Papers

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Question : 10 of 80

Marks: +1, -0

For a chemical reaction, half-life period (t‌

) is 10 minutes. How much reactant will be left after 20 minutes if one starts with 100 moles of reactant and the order of the reaction be (i) zero, (ii) one and (iii) two?

0,25,33.33
25,0,33.33
33.33,25,0
25,33.33,0

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