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Among the metals Cr,Fe,Mn,Ti,Ba and Mg, the one that cannot be obtained by reduction of its metal oxide by aluminium is
Options
(a) Cr
(b) Fe
(c) Mg
(d) Ba
Correct Answer:
Mg
Explanation:
Since reduction potential of Al is more than that of Mg and less than rest of he other given metals. So it cannot reduce Mg from its oxide.
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Pauling’s electro negativity values for elements are useful in predicting
- Gas A is bubbled through slacked lime, a white precipitate is formed.
- How many coulombs of electricity are required for the reduction of 1 mol
- Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
- Ester and acetamide are distinguished dy
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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