Chemistry, 23.11.2021 19:20 crosales102
Three test tubes were taken and they were labelled as I , II and III. Ethanoic acid was taken in the test tube I, aqueous solution of sodium carbonate was taken in test tube II, and an aqueous solution of sodium hydrogen carbonate was taken in test tube III. On dipping a pH paper in each of the solution the colour of the pH paper in the test tubes I, II and III respectively becomes *
orange, green, green
green, blue, blue
blue, orange, orange
orange, blue, blue
Answers: 2
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Three test tubes were taken and they were labelled as I , II and III. Ethanoic acid was taken in the...
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