Advertisements
Advertisements
प्रश्न
Choose the correct alternative
The purest form of the amorphous carbon is
विकल्प
wood charcoal
sugar charcoal
bone charcoal
lampblack
उत्तर
sugar charcoal
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
............. is the hardest substance that occurs naturally.
Define the Following Term: Allotropy
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Answer the following question
What impurity is present in black diamond?
Choose the correct alternative
Destructive distillation of coal yields
TRUE \ FALSE
Pure diamond can occur in several colours.
How is wood charcoal a better fuel than wood?
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
With reference to the structure of the two crystalline allotropes of carbon, state why diamond is inert or unreactive while graphite is comparably more reactive.
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.
