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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: - Perchloric acid is prepared by the action of concentrated sulphuric acid on
- In which of the following reaction standard entropy change (ΔS⁰)
- The conductivity of strong electrolyte
- At 27⁰C average kinetic energy of one mole of helium gas can be given
- An acyl halide is formed when PCl₅ reacts with an
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Perchloric acid is prepared by the action of concentrated sulphuric acid on
- In which of the following reaction standard entropy change (ΔS⁰)
- The conductivity of strong electrolyte
- At 27⁰C average kinetic energy of one mole of helium gas can be given
- An acyl halide is formed when PCl₅ reacts with an
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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