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A student adds a few drops of the universal indicator solution to a dilute solution of sodium hydrogencarbonate taken in a test-tube. Which of the following colour would he observe?(1) blue(2) green(3) mustard(4) yellow

Answer» A student adds a few drops of the universal indicator solution to a dilute solution of sodium hydrogencarbonate taken in a test-tube. Which of the following colour would he observe?



(1) blue

(2) green

(3) mustard

(4) yellow


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