few crystals of sugar in a dry test tube and heated the test tube over flame the colour of sugar turn black why
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Explanation:
The colour of sugar turned black. (ii) Blue crystals of copper sulphate on heating in a dry test tube become colourless. ... (i) Sugar is a complex compound which on heating undergoes decomposition reaction, water gets evaporated thereby leaving behind black carbon' in the test tube
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hey mate hope it will help uh...
because it will burnt and gives brownish-black colour
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