Question

write down the changes that will be seen when blue litmus paper was dropped into 2ml dilute HCL then 2 ml concentrate NaOH was added to it and stirred
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Answer 1

Answer:

The litmus will turn red in color due to its acidic nature

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Answer 2

Explanation:

The changes observed when a litmus paper was dropped into 2ml dilute HCl. Then 2ml concentrated NaOH was added to it and stirred are:

i. With HCl, the litmus paper turns red.

ii. With NaOH, the litmus paper turns blue.

Explanation: HCl is an acid and has pH lesser than 7, thus its

colour changes to red.

NaOH is a base and has pH greater than 7, thus its colour changes to blue.