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UPSC EPFO EO/AO 2021 · Question 53

Question 53 of the UPSC EPFO EO/AO Recruitment Test 2021 (General Ability Test, Advt. 51/2020) (5 September 2021). Try it first, then check your answer and the explanation in the practice app.

  1. EO/AO 2021 · Q53 · General Science & Computers · Chemistry

    Which one of the following will not be reduced by metallic zinc?

    1. Cu²⁺
    2. H⁺
    3. Ag⁺
    4. Al³⁺

    धात्विक ज़िंक निम्नलिखित में से किसका अपचयन नहीं करेगा?

    1. Cu²⁺
    2. H⁺
    3. Ag⁺
    4. Al³⁺

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