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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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- 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- The geometry of Ni(CO)₄ and Ni(PPh₃)₂Cl₂ are
- Which of the following practices will not come under green chemistry
- If a given sample of water contains 0.06 g of Ca²⁺ ion per kg, calculate
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The given reaction 2FeCl₃ + SnCl₂ → 2FeCl₂ + SnCl₄ is an example of
- 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- The geometry of Ni(CO)₄ and Ni(PPh₃)₂Cl₂ are
- Which of the following practices will not come under green chemistry
- If a given sample of water contains 0.06 g of Ca²⁺ ion per kg, calculate
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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