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Class 10 Practice Set consists of Multiple Choice Questions for Periodic classification of elements.
Free Practice Set of Multiple Choice Questions for Periodic classification of elements . Attempting this practice set will boost your confidence in Class 10. Periodic classification of elements: Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.