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JEE Advanced 2021 Paper 1

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Question : 35

Total: 57

A mixture of two salts is used to prepare a solution S, which gives the following results :

white precipitate(s) only

Dilute {NaOH} (aq.)

<────────────

Room temperature

S‌(aq.solution of the salts‌

Dilute {HCl} (aq.)

────────────>

Room temperature

White precipitate(s) only

The correct option(s) for the salt mixture is(are)

Pb(NO3)2 and Zn(NO3)2
Pb(NO3)2 and Bi(NO3)3
AgNO3 and Bi(NO3)3
Pb(NO3)2 and Hg(NO3)2

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