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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.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Equal volumes of methanoic acid and sodium hydroxide are mixed, if x is the heat
- The hybridization involved in complex [Ni(CN)₄]²⁻ is (At.No.Ni = 28)
- The electrolytic reduction of nitrobenzene in strongly acidic medium produces
- In the periodic table from left to right in a period,the atomic volume
- The maximum valency of an element with atomic number 7 is
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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