Question

. ਮ੍ਰਿਤ ਬਨਸਪਤੀ ਦਾ ਹੌਲੀ ਹੌਲੀ ਕੋਲੇ ਵਿੱਚ ਪਰਿਵਰਤਨ ………. ਅਖਵਾਉਂਦਾ ਹੈ।The slow process of conversion of dead vegetation into coal is called……. *

1 point

A.ਕਾਰਬਨੀਕਰਨ / Carbonisation

B.ਆਇਨੀਕਰਨ / Ionisation

C.ਸੁਧਾਈ / Refining

D.ਹੇਠ ਲਿਖਿਆਂ ਵਿਚੋਂ ਕੋਈ ਨਹੀਂ / None of these

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Answer 1

Carbonisation is the correct answer.

• Carbonisation is defined as the chemical process of conversion of organic substance into carbon rich residue.
• The process occurs through pyrolysis or destructive distillation.
• Plants are carbon containing materials which through slow process under high temperature and pressure get buried in the soil and convert to coal.
• The slow process is equivalent to 300 million years.