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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: - The variation of the boiling points of the hydrogen halides is in the order
- For isothermal change in the case of an ideal gas
- When 10 g of a non-volatile solute is dissolved in 100 g of benzene ,
- In the process of nitration, the electrophile formed is
- For a first order reaction, the time taken to reduce the initial concentration
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The variation of the boiling points of the hydrogen halides is in the order
- For isothermal change in the case of an ideal gas
- When 10 g of a non-volatile solute is dissolved in 100 g of benzene ,
- In the process of nitration, the electrophile formed is
- For a first order reaction, the time taken to reduce the initial concentration
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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