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प्रश्न
Choose the correct alternative.
In combined state, carbon occurs as
पर्याय
coal
diamond
graphite
petroleum
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उत्तर
petroleum
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संबंधित प्रश्न
Write the molecular formula of the 2nd and 3rd member of the homologous series whose first member is ethene.
Choose the correct alternative.
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emathen.
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