CBSE Class 9 Chemistry Is Matter Around Us Pure?

• What is Potassium Bromate?
• pure substance?
• valency
• write application for liquid metalloids
• What is Silicon?
• liquid is compressible or imcompressible
• what is mattet
• what is element
• what is solution
• can you give some MCQs of the squash chapter matter matter around us pure or impure

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