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An element - X-forms an oxide which turns red litmus blue. Identify whether X is a metal or non-metal Write the chemical formula of - Plaster of Paris and Gypsum.Draw a symbol of Rheostat and Electric bulb.Why do we need to manage our resources ? Give any two points.List four modes of sexual reproduction. |
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Answer» METAL CUSO4.1.5H2O AND CUSO4.10H20 |
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