Question

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Answer 1

Answer:

1) sodium is stored in kerosene because it is lighly reactive in air .therefore it is stored in kerosene.

2) petroleum is called black gold because it's components don't waste at all.

hope this answer is clear to you

Answer 2

Answer:

1)Sodium are highly reactive metals and react vigorously with the oxygen, carbon dioxide. So if take and put in air it may cause fire. So we have store in kerosene.

2) This is because when crude oil is extracted from the land it is black in colour so when its purify it will be petroleum.

Explanation:

Hope this will help you..