Question

(d) A litmus paper was dropped into
2ml dilute HC1. Then
2ml
concentrated NaOH was added to it
and stirred.​

Answer 1

Answer:

It

Explanation:

will get dissolved giving a bad content smell

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.