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(1) Blue coloured solution is given in the figure. Which solution is it? What causes thecolour change in this solution. Explain.green colour solutionBlue colour solutionmaRadish iron nail(2) A flag near the check post furis in the direction of sea. Is it midnight or afternoon?Why?(3) Describe the experiment showing the conduction of heat in solid substance withdiagram​

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i m ANSWERING 1ST and 2ND



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