give 10 important points for chapter 2nd 9th class lesson lesson of nerct
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give 10 important points for chapter 2nd 9th class lesson lesson of nerct
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actually I'm giving this becoz when I was preparing for assessment my teacher told me thse are the important topics in 2nd lesson:Is matter around
us pure? 1)types of mixtures 2)What is a solution 3)What is a colloidal solution 4)What is a suspension 5)Properties of a colloid these r the important things my teacher told and also was asked in the assessment