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Chemistry, 08.01.2021 17:50 cordobamariana07
State reasons for the following observations:
(i) The shining surface of some metals becomes dull when exposed to air for
a long time.
(ii) Zinc fails to evolve hydrogen gas on reacting with dilute nitric acid.
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State reasons for the following observations:
(i) The shining surface of some metals becomes dull w...
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