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 to
I. Water Blue
II. Dilute HCl Red
III. Dulite NaOH Blue
IV. Dilute Ethanoic acid Orange
Which one of the above observations is incorrect.
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 to
I. Water Blue
II. Dilute HCl Red
III. Dulite NaOH Blue
IV. Dilute Ethanoic acid Orange
Which one of the above observations is incorrect.
Harshit Singh , 4 Years ago
Grade 12th pass
