Advertisements
Advertisements
प्रश्न
Name the following:
An amorphous form of carbon that contains about 98% carbon.
उत्तर
Anthracite
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
............. is the hardest substance that occurs naturally.
Define the Following Term :
Carat
Write ‘true’ or ‘false’ against the following statement:
Wood charcoal is an important constituent of gun powder.
Write ‘true’ or ‘false’ against the following statement:
Coal gas is used in the preparation of artificial ferilizers.
How is wood charcoal made locally? What other substances are formed in the process.
Tick the most appropriate answer.
Diamond and graphite are
a. metals.
b. organic compounds,
c. alkenes.
d. allotropes.
Tick the most appropriate answer.
Which form of carbon is a good conductor of electricity?
a. graphite
b. diamond
c. coke
d. amorphous carbon
FILL IN THE BLANK
Diamond is the ............ form of carbon.
TRUE \ FALSE
Graphite is a poor conductor of electricity.
About 18% of the weight of the human body is carbonaAll the allotropic forms of carbon are solids.
