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Which pair of substances among the following would float in a tumbler half-filled with water ? (a) Cotton thread, thermocol (b) Feather, plastic ball (c) Pin, oil drops (d) Rubber band, coin |
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Answer» Which pair of substances among the following would float in a tumbler half-filled with water ? (a) Cotton thread, thermocol (b) Feather, plastic ball (c) Pin, oil drops (d) Rubber band, coin |
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