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JEE Advanced 2020 Paper 2

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PART-II : CHEMISTRY

SECTION - 1

The answer to each question is a SINGLE DIGIT INTEGER ranging from 0 to 9, BOTH INCLUSIVE.

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Question : 23

Total: 54

The structure of a peptide is given below.

If the absolute values of the net charge of the peptide at pH = 2, pH = 6, and pH = 11 are |z1|,|z2|, and |z3| , respectively, then what is |z1|+|z2|+|z3|?

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