Diamond
Trending Questions
Collective nouns for tools
Why is diamond so strong?
Write two main difference between the nature of diamond and graphite.
______________ (Graphite/ Diamond) is a good conductor of heat but a bad conductor of electricity.
(a) What is diamond? Of what substance is diamond made?
(b) Describe the structure of diamond. Draw a simple diagram to show the arrangement of carbon atoms in diamond.
(c) Explain why, diamond has a high melting point.
(d) State any two uses of diamond.
Which allotrope of carbon is used in making 'lead' of pencils?
Diamond
C-60
Graphite
Fullerene
What is harder than a diamond?
Question 43
A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z.
Name the following -
The bond between carbon atoms in graphite.
(a) Write two points of difference in the structures of diamond and graphite.
(b) Explain why graphite can be used as a lubricant but diamond cannot.
(c) Explain why diamond can be used in rock drilling equipment but graphite cannot.
(d) State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
Diamond has a high refractive index which gives them a shiny appearance.
True
False
(a) How can diamonds be made artificially? How do synthetic diamonds differ from the natural one?
(b) Give any two differences between the properties of diamond and graphite. What causes these differences?
Can alkenes show optical isomerism?
How many carbon atoms can fullerenes have?
Which of the following has the highest melting point
Pb
Diamond
Fe
Na
- Low melting point
- Bad conductor of electricity
- Very hard in nature
- Highly malleable
A diamond-toothed saw is usually used for cutting :
(a) steel girders (b) logs of wood (c) marble slabs (d) asbestos sheets
(b) State any two uses of diamond.
Rewrite the correct statement:
Diamond gets affected by acids and alkalies.
- Cutting
- Grinding
- Polishing
- Cooling
Which property of diamond gives it a special shine?
What are the basic components of diamond crystals?
What is the lead of a pencil made of?
Clay
Graphite
A mixture of clay and graphite
Lead metal
Diamond has a _______ structure while that of graphite is ________.
- pentagonal, hexagonal layered
- tetrahedral, hexagonal layered
- hexagonal layered, octahedron
- tetrahedral, square pyramidal
Mention four uses of diamonds.
(b) State any two uses of diamond.
- It has a high melting point.
- It cannot reflect light falling on it.
- It is a good conductor of electricity.
- It is used for cutting glasses.
