Question

Blue litmus solution is added to two test tubes A and B containing HCl and NaOH

solution respectively. In which test tube a colour change will be observed?​

Answer 1

Answer:

In Test Tube A Colour change will be observed

Explanation:

HCl and test tube B contains dil. NaOH. On adding blue litmus solution to both the test tubes, the colour of the test tube A will change from blue to red. This is because HCl is acid and acids turn blue litmus to red.

Answer 2

$\huge \underline \bold \pink{Answer}$

In first practical we added blue litmus with HCl (Hydrochloric Acid) : Since it is a Acid then the colour of Blue litmus will be changed into Red.

In second practical we added blue litmus with NaOH : Since it is a base and according to the properties of base it would be unchanged.

$\huge \fbox \green{Hope it helps ☺}$