Saved Bookmarks
| 1. |
Give reasons why copper utensils become black on heating |
|
Answer» Answer: This is because on HEATING copper it reacts with the atmospheric oxygen to FORM a coating of copper oxide (CuO) which is black in COLOR ( the REACTION is oxidation) 2Cu + O2 ------heating-------> 2CuO
(black coloured) Explanation: |
|