|
Which of the following is not a use of electrolysis ? |
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(a) |
electroplating |
(b) |
printing |
|
(c) |
purification of metals |
(d) |
photography |
|
Which of the following is not a use of electrolysis ? |
|||
|
(a) |
electroplating |
(b) |
printing |
|
(c) |
purification of metals |
(d) |
photography |