Blue litmus solution is added to two test tubes A and B containing dilute HC1 and NaOH solution respectively. In which test tube a colour change will be observed? State the colour change and give its reason.


Blue litmus turns red when it comes in contact with an acid. So Test tube A containing HCl will change the colour. It will turn red from blue.

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Simply Easy Learning

Updated on: 10-Oct-2022

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