| ⇦ | 
| ⇨ |
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: - By passing air over red hot coke the gas obtained is
- The action of nitrous acid on an aliphatic primary amine,gives
- If P is pressure and D is density of a gas, then P and D are related as
- Which of the following statement is true for an electrochemical cell
- Which of the following is not correct for D₂O
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- By passing air over red hot coke the gas obtained is
- The action of nitrous acid on an aliphatic primary amine,gives
- If P is pressure and D is density of a gas, then P and D are related as
- Which of the following statement is true for an electrochemical cell
- Which of the following is not correct for D₂O
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