Question

(d) A litmus paper was dropped into
2ml dilute HCl. Then 2ml
concentrated NaOH was added to it
and stirred. plz guys tell me​

Answer 1

Answer:

blue litmus paper is turned red and when dipped into NaOH it again turns blue.

Explanation:

I hope it helps you.

Answer 2

Answer:

When a litmus paper was dropped into 2 ml dilute HCI, The litmus paper turns red, with the additional of 2 ml dilute HCI, the concentrated NaOH, The litmus turns from red to blue.

This is because the added NaOH neutralized HCI and forms salt and water. Since, NaOH is concentrated solution will contained additional amount of base (NaOH) which will turn red litmus paper blue.

Explanation:

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