Question
With neat diagram explain the structure of diamond.
✓
Answer
- In diamond, every carbon atom is bonded to four neighbouring atoms by covalent bonds.
- Therefore, diamond has a tetragonal three dimensional structure which makes it very hard.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Using the chart of ions/radicals and the cross-multiplication method, write the chemical formulae of the following compounds: Silver chloride
An object 2 cm high is placed at a distance of 16cm from a concave mirror which produces a real image 3 cm high. Find the image distance.
:Cut a lemon into two equal parts. Take the juice of each part into two separate beakers. Pour 10 ml of drinking water in one beaker and 20 ml in the second. Stir the solutions in both the beakers and taste them. Is there any difference in the tastes of the solutions in the two beakers? What is that difference?
What are salts?
Rajashree wants to get an inverted image of height 5 cm of an object kept at a distance of 30 cm from a concave mirror. The focal length of the mirror is 10 cm. At what distance from the mirror should she place the screen? What will be the type of the image, and what is the height of the object?
Short note on : Food web.
Observe the figure carefully and as per the numbers in that figure, answer the following
(1).What is happening at 1 and 2?
(2).Which nerve carried the impulse to the point marked 3? In which direction is it conducting the impulse?
(3).Which is the nerve shown by 4?
(4).Which is the organ marked as 5?
(5).At 6, which nerve is conducting the response impulse?
(6).At 7, where has the impulse reached? What is its effect?
Study the activity and answer the following questions.![]()
https://pg-data.sgp1.digitaloceanspaces.com/chapter_wise/15898/Q9.png" alt="Image" width="250" height="" />
(a) Figure A – Why does the cup get pulled?
(b) Figure B – What is the relation between the displacement of the cup and the force applied through the ruler?
(c) In Figure C-Why doesn’t the cup get displaced?
(d) What is the type of work done in figures A, B and C?
(e) In the three actions above, what is the relationship between the applied force and the displacement?
(a) Figure A – Why does the cup get pulled?
(b) Figure B – What is the relation between the displacement of the cup and the force applied through the ruler?
(c) In Figure C-Why doesn’t the cup get displaced?
(d) What is the type of work done in figures A, B and C?
(e) In the three actions above, what is the relationship between the applied force and the displacement?
Give the uses of graphite.
Explain : Urbanization