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1. What is the colour of litmus paper in acid solution? 2. What is the mass of an objecent having a weight of 980 Newton on the earth surface?3. Where will an object have maximum weight?4. What is the unit of mass?5. What turns blue vitriol greensih? |
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Answer» It TURN red in an acidic solution.Sorry I KNOW only FIRST ANSWER. |
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