| ⇦ | 
| ⇨ |
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 number of atoms in 0.004g of magnesium will be
- How many calories are required to heat 40 gram of argon from 40⁰C to 100⁰C
- Liquid hydrocarbons are can be converted to a mixture of gaseous hydrocarbons by
- Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
- The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The number of atoms in 0.004g of magnesium will be
- How many calories are required to heat 40 gram of argon from 40⁰C to 100⁰C
- Liquid hydrocarbons are can be converted to a mixture of gaseous hydrocarbons by
- Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
- The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply