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Class 8
Chapter 4 Class 8 - Materials : Metals And Non-Metals

Usually metals are hard. But, Sodium and Potassium are soft metals and they can easily be cut with a knife

 

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo