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In an experiment to test the pH of a given sample using pH paper, four students recorded the following observations :Sample taken pH paper colour turned toI. Water BlueII. Dilute HCl RedIII. Dulite NaOH BlueIV. Dilute Ethanoic acid OrangeWhich one of the above observations is incorrect.

Harshit Singh , 2 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 2 Years ago

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