A metal when left in air turn to green and when heated turn into blsck
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Answered by
7
Hey
Here's your answer !!
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A metal which when left in air turns to green and when heated turns into black is COPPER .
When copper is left in open air it reacts with the carbon dioxide and the moisture in the air to form copper carbonate which is green in colour .
Cu + CO2 + H20 -----> CuCO3 ( green ) + H2 .
When copper is heated , it combines with oxygen to form copper oxide which is black in colour .
2 Cu + O2 -----> 2 CuO ( black ) .
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Hope it helps !!
Here's your answer !!
_______
A metal which when left in air turns to green and when heated turns into black is COPPER .
When copper is left in open air it reacts with the carbon dioxide and the moisture in the air to form copper carbonate which is green in colour .
Cu + CO2 + H20 -----> CuCO3 ( green ) + H2 .
When copper is heated , it combines with oxygen to form copper oxide which is black in colour .
2 Cu + O2 -----> 2 CuO ( black ) .
_______
Hope it helps !!
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Answered by
6
Hello friend!
Here's ur answer!
When copper comes in contact with air, it reacts with the moisture and
carbon dioxide in the air to form copper carbonate .
Cu + CO2 + H20 ---> CuCO3+ H2 .
When copper is heated , it combines with oxygen to form copper oxide.
2 Cu + O2 --> 2 CuO
Therefore : A metal which when left in air turns to green and when heated turns into black is __Copper.__
Hope it helps!!☺
Thanks!!☺
Here's ur answer!
When copper comes in contact with air, it reacts with the moisture and
carbon dioxide in the air to form copper carbonate .
Cu + CO2 + H20 ---> CuCO3+ H2 .
When copper is heated , it combines with oxygen to form copper oxide.
2 Cu + O2 --> 2 CuO
Therefore : A metal which when left in air turns to green and when heated turns into black is __Copper.__
Hope it helps!!☺
Thanks!!☺
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