Question
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
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.
(iii) Metal sulphides occur mainly in rocks but metal halides occur mostly in sea and lake waters.
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The detailed answer for the above question is provided below Answer i It is because metal ...
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Principles of Auditing and Other Assurance Services
Authors: Ray Whittington, Kurt Pany
19th edition
978-0077804770, 78025613, 77804775, 978-0078025617
