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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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Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When ethyl iodide and propyl iodide react with Na in the presence of ether,they
- What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
- For distinguishing phenol and acetic acid we required to react (treat) them
- The reaction of which of the following compounds would yield secondary amine
- The oxidation numbers of hydrogen in KH,MgH₂ and NaH are respectively
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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