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Question
A student adds a few drops of the universal indicator to a solution of dilute hydrochloric acid. He would observe that the colour of the solution changes from colourless to:
A student adds a few drops of the universal indicator to a solution of dilute hydrochloric acid. He would observe that the colour of the solution changes from colourless to:
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Solution
The correct option is A red
pH is measured using indicator solution by putting a few drops of universal indicator to dilute HCl when the color appears is red. This is compared with the pH chart color which indicates that HCl is a strong acid with a pH less than 7.
pH is measured using indicator solution by putting a few drops of universal indicator to dilute HCl when the color appears is red. This is compared with the pH chart color which indicates that HCl is a strong acid with a pH less than 7.
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