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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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- Two different gases enclosed in different flasks A and B at same temperature and pressure
- Which of the following group activates the benzene ring most towards electrophili
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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
- Li occupies higher position in the electrochemical series of metals as compared
- Two different gases enclosed in different flasks A and B at same temperature and pressure
- Which of the following group activates the benzene ring most towards electrophili
- When acetylene reacts with arsenic trichloride in the presence of anhydrous
- Polarisation power of a cation increases,when
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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