Chapter at a Glance

Last updated at July 13, 2026 by

The World of Metals and Non-metals 4.1 Physical Properties Malleable, Ductile, Sonorous, Conductors 4.2 Rusting of Iron Needs air + water; Prevent by galvanisation 4.3 Metals React with Air Basic oxides; Mg burns white; Na/K stored in kerosene 4.4 Non-metals Dull, brittle; Acidic oxides; Graphite conducts; Iodine shiny
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Maninder Singh

CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. He teaches Science, Economics, Accounting and English at Teachoo using clear explanations and exam-focused methods students can trust.

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