| ⇦ | 
| ⇨ |
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: - Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
- Kinetic theory of gases presumes that collision between the molecules to be perfectly
- If pH of A,B,C and D are 9.5, 2.5,3.5 and 5.5 respectively, then strongest acid is
- CH₃CH₂CONH₂ on treatment with P₂O₅ yields
- Hydrogen burns in air with a
Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
- Kinetic theory of gases presumes that collision between the molecules to be perfectly
- If pH of A,B,C and D are 9.5, 2.5,3.5 and 5.5 respectively, then strongest acid is
- CH₃CH₂CONH₂ on treatment with P₂O₅ yields
- Hydrogen burns in air with a
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