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प्रश्न
Name the following:
An allotrope of carbon used for the manufacture of coke.
उत्तर
Coal
APPEARS IN
संबंधित प्रश्न
Write true or false
Graphite is the purest form of carbon.
Define the Following Term:
Crystal
Answer the following question
Explain the softness of graphite with reference to its structure.
Write three differences between graphite and diamond.
Write ‘true’ or ‘false’ against the following statement:
Wood charcoal is an important constituent of gun powder.
Give balanced equations for the following chemical reactions:
(a) wood charcoal and cone, nitric acid
(b) coke and steam
(c) wood charcoal and lead monoxide.
TRUE \ FALSE
Buckyball is a yellow amorphous solid.
Name the following:
A crystalline allotrope of carbon built up from a hexagonal unit.
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 ______.
Give reason for the following:
Diamond & graphite are allotropic modifications of carbon.