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प्रश्न
What happens when a soda water bottle is opened ?
उत्तर
When the pressure is released the bottled gas escapes with a bristling effervescence that ads fizz to the drink.
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संबंधित प्रश्न
Choose the correct alternative.
Graphite is not found in
Write true or false
Graphite is the purest form of carbon.
Define the Following Term :
Carat
Define the Following Term:
Crystal
Tick the most appropriate answer.
Which of the following is an amorphous form of carbon?
a. graphite
b. fullerenes
b. diamond
d. coal
Tick the most appropriate answer.
Which form of carbon is a good conductor of electricity?
a. graphite
b. diamond
c. coke
d. amorphous carbon
TRUE \ FALSE
Synthetic diamonds are used for cutting glass and drilling rocks.
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
Compare the structure of the crystal of diamond & graphite with special reference to the reason for diamond being the hardest natural substance while graphite one of the softest. Compare the electrical & thermal conductivity of the two crystalline allotropes of carbon.
Complete the statement by filling the blank with the correct word from the option.
A graphite-clay mixture baked at high temperature is used in making ______.
