11. Identify the colour change in pH paper when a drop of a sample which has pH 14 in standard pH chart
red
yellow
blue
green
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Answered by
1
Answer:
blue ....... because it is concentrated base
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Answered by
1
Answer:
Blue
Explanation:
To find the pH of the following samples by using pH paper/universal indicator ... pH paper, dropper, standard pH colour chart, universal indicator, sample ... When we take a drop of the test solution and place it on universal indicator paper, the ... pH of dilute HCI is found to be 2 and pH of dilute NaOH is 14.
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