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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
- The reaction of chloroform with ethylamine in alcoholic alkali gives
- Boron has two stable isotopes, ¹°B(19%) and ¹¹B(81%). Average atomic weight
- Oxygen is more electrnegative than sulphur, yet H₂S is acidic in nature
- Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
- Which of the following possible isomers of butanol has a chiral centre
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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