Question

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Answer 1

Answer:

$1) \: sodium \\ 2)copper$

Answer 2

Answer:

1) sodium is(can be) stored in kerosene as it is a highly reactive metal

2) copper it develops a green layer in the surface in. presence of moist air because it reacts with the oxygen present in the air

copper oxide then combines with carbon dioxide to form copper carbonate which gives it a green colour

Explanation:

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