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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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- Iodoform test is not given by
- In third group, iron gives blood red colouration with ammonium thiocyanate
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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 maximum number of hydrogen bonds formed by a water molecule in ice is
- Iodoform test is not given by
- In third group, iron gives blood red colouration with ammonium thiocyanate
- Helium is used in balloons in place of hydrogen because it is
- The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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