Question

what is mean by cng and lpg gas​.

Answer 1

Answer:

CNG is an abbreviation of 'compressed natural gas' where as LPG is an abbreviation of 'liquefied gas'

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Answer 2

Answer:

Sodium and Potassium are highly reactive metals and react vigorously with the oxygen, carbon dioxide and moisture present in the air such that it may even cause a fire. To prevent this explosive reaction, Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.

Explanation:

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