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प्रश्न
Write true or false
Coloured diamonds are costlier than colourless and transparent diamonds
पर्याय
True
False
उत्तर
False
Coloured diamonds are cheaper than colourless and transparent diamonds
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संबंधित प्रश्न
Write true or false
Graphite has layers of hexagonal carbon bondings.
Write true or false
Diamond is insoluble in all solvents.
State the term:
Substances whose atoms or molecules are arranged in a definite pattern.
Fill in the blank
Coal is a ............. form of carbon.
Choose the correct alternative
Destructive distillation of coal yields
Name the following:
The purest form of amorphous carbon.
FILL IN THE BLANK
Diamond is the ............ form of carbon.
FILL IN THE BLANK
Graphite is a good conductor of .............
What is water gas used for ?
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 ______.
