Advertisements
Advertisements
प्रश्न
Write three differences between graphite and diamond.
उत्तर
Difference between diamond and graphite.
Diamond
- Pure diamond is colourless and transparent.
- It is the hardest naturally occurring substance.
- It has high density i.e. 3.5 g/cm3
- It is bad conduct of electricity.
- It bums in air at 900°C to form carbon dioxide.
Graphite
- Graphite is greyish black opaque and shiny.
- It is soft and greasy to touch.
- It has low density i.e. 2.39 g / cm3
- It is good conductor of electricity.
- It bums in air at 700° C to form carbon dioxide.
APPEARS IN
संबंधित प्रश्न
______ and ______ are the two major crystalline allotropes of carbon.
Write true or false
Graphite is the purest form of carbon.
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Answer the following question
Why is diamond very hard?
Answer the following question
What are fullerenes? Name the most common fullerenes.
Name the products formed when:
graphite is subjected to high pressure and 3000°C temperature.
Give two uses for the following:
bone charcoal
What happens when a soda water bottle is opened ?
What is the function of activated charcoal ?
Complete the statement by filling the blank with the correct word from the option.
The crystal of ________ is opaque to light and is a good conductor of heat.
