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Answer on Organic Chemistry Question for safa

Question #11107
why metals are not found in native state in nature.
an aqueous solution of salt turns red litmus blue.what would be the pH of that?
Expert's answer
1) This is related with the natural weathering processes like oxidation. Very few metals can resist these processes. Metals that can be found as native deposits singly and/or in alloys include aluminium, antimony, arsenic, bismuth, cadmium, chromium, cobalt, indium, iron, nickel, selenium, tantalum, tellurium, tin, titanium, and zinc, as well as two groups of metals: the gold group, and the platinum group. Only gold, silver, copper and the platinum metals occur in nature in larger amounts.
2) It is known that the solution of litmus blue turns red under acidic conditions. So, this aqueous solution of salt is acidic (low pH).

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