In which one of the following situations a chemical reaction does not occur?
(a) Milk is left open at room temperature during summer
(b) Grapes get fermented
(c) An iron nail is lett exposed to humid atmosphere
(d) Melting of glaciers
Correct Answer : Option (d) Melting of glaciers
More Questions : Assertion (A): In the common domestic circuits the earth wire is connected to a metallic plate buried deep inside the earth. Reason (R): Earth wire ensures that any leakage of current to the metallic body of the appliance keeps its potential to that of the earth, so the user may not get a severe electric shock.
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