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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: - Aniline reacts with which of these to form Schiff base
- Among the following sols the one which is hydrophobic is
- The reaction : Ag²⁺(aq) + Ag(s) ⇌ 2Ag⁺(aq) is an example of
- Which of the following shows maximum number of oxidation states
- An aqueous solution of CoCl₂ on addition of excess of concentration HCl
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Aniline reacts with which of these to form Schiff base
- Among the following sols the one which is hydrophobic is
- The reaction : Ag²⁺(aq) + Ag(s) ⇌ 2Ag⁺(aq) is an example of
- Which of the following shows maximum number of oxidation states
- An aqueous solution of CoCl₂ on addition of excess of concentration HCl
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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