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Hardest compound of boron is
Options
(a) Magnesium boride
(b) aluminium boride
(c) boron nitride
(d) boron carbide
Correct Answer:
boron carbide
Explanation:
Boron carbide is written as B₃C.It is produced by reducing B₂O₃ with C at 1600⁰C. Fibres of B₄C have an enormous tensile strength and are used to make bullet-proof clothing.
Related Questions: - The method not used in metallurgy to refine the impure metal is
- Of the following reaction, only one is a redox reaction.Identify this reaction
- Dinitrogen and dioxygen are main constituents of air but these do not react
- Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic
- Ethylene glycol reacts with excess of PCl₅ to give
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The method not used in metallurgy to refine the impure metal is
- Of the following reaction, only one is a redox reaction.Identify this reaction
- Dinitrogen and dioxygen are main constituents of air but these do not react
- Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic
- Ethylene glycol reacts with excess of PCl₅ to give
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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