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The blue colour of copper ions fades due to a decrease in Cu
+2
ions and finally, the solution becomes colourless as soon as Cu
+2
ions are finished. So, the blue colour of Copper sulphate fades away when electrolyzed using platinum electrodes.
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An atmosphere (from the greek words ἀτμός (atmos), meaning 'vapour', and σφαῖρα (sphaira), meaning 'ball' or 'sphere'[1][2]) is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.
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