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Magnesium does not decompose in
Options
(a) steam
(b) hot water
(c) cold water
(d) semi-hot water
Correct Answer:
cold water
Explanation:
Magnesium has a very slight reaction with cold water. The reaction soon stops because the magnesium hydroxide formed is almost insoluble in water and forms a barrier on the magnesium preventing further reaction. Mg + 2H₂O → Mg(OH)₂ + H₂.
Related Questions: - Reaction of HBr with propene in the presence of peroxide gives
- In the extraction of copper from its sulphide ore, the metal is finally obtained
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Reaction of HBr with propene in the presence of peroxide gives
- In the extraction of copper from its sulphide ore, the metal is finally obtained
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
- Which of the following molecules has the largest root mean square velocity at 25°C
- CF₂ = CF₂ is monomer of
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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