Chemistry: Solved Previous Year’s Question Paper for NCERT/CBSE Class 12th Chemistry Paper Code (HSEIIRKO-13-X)

Chemistry: Solved Previous Year’s Question Paper for NCERT/CBSE Class 12th Chemistry Paper Code (HSEIIRKO-13-X) Long Answer Type Questions (Each carries 5 Marks) Question: Discuss briefly the oxidation states of the 3d-transition series. Answer: The 3d-transition series is composed of elements from the fourth period of the periodic table, including scandium (Sc), titanium (Ti), vanadium (V), chromium […]

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