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CCl₄ is used as a fire extinguisher, because
Options
(a) its boiling point is low
(b) its melting point is high
(c) it gives incombustible vapour
(d) it forms covalent bond
Correct Answer:
it gives incombustible vapour
Explanation:
CCl₄ is used as fire extinguishers under the name pyrene. The dense vapours form protective layer on the burning objects and Prevent the oxygen or air to come in contact with the burning objects and gives incombustible vapours.
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- Fine the magnetic moment of a divalent ion in aqueous solution if its atomic
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Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The type of hybridisation of boron in diboron is
- Fine the magnetic moment of a divalent ion in aqueous solution if its atomic
- Shape-selective catalysis is a reaction catalysed by
- Increasing order of rms velocities of H₂,O₂,N₂ and HBr is
- Phenyl isocyanide test is used to identify
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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