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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.
Related Questions: - When conc. H₂SO₄ is added to dry KNO₃,brown fumes are evolved.These fumes are
- The number of atoms per unit cell of bcc structure is
- The C – C bond length in ethane is
- Variable valency in general, is exhibited by
- On treating a mixture of two alkyl halides with sodium metal in dry ether,
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When conc. H₂SO₄ is added to dry KNO₃,brown fumes are evolved.These fumes are
- The number of atoms per unit cell of bcc structure is
- The C – C bond length in ethane is
- Variable valency in general, is exhibited by
- On treating a mixture of two alkyl halides with sodium metal in dry ether,
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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