25 The test tubes A, B, C and D are taken with food samples of dal, mustard, soya chunbs and rice respectively in powdered form. On adding iodine solution to each test tube the blue black colour is observed in : (a) Test tube A (b) Test tube B (c) Test tube C (d) Test tube D
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The blue black colour is observed in (d)Test tube D
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Hope this helps you............
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Answer:
Explanation: test tube d
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