| ⇦ | 
| ⇨ |
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: - Which one of the following does not react with water even under red hot condition
- If an electron has spin quantum number of +1/2 and a magnetic quantum number
- Deuterium nucleus contains
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
- Bakelite is prepered by the reaction between
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following does not react with water even under red hot condition
- If an electron has spin quantum number of +1/2 and a magnetic quantum number
- Deuterium nucleus contains
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
- Bakelite is prepered by the reaction between
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply