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.
Which one of the following will not be reduced by metallic zinc?
- Cu²⁺
- H⁺
- Ag⁺
- Al³⁺
धात्विक ज़िंक निम्नलिखित में से किसका अपचयन नहीं करेगा?
- Cu²⁺
- H⁺
- Ag⁺
- Al³⁺
Answer and explanation: open it in the practice app. 3 days free when you register, then one ₹45 PYQ Pass for every exam on the site.