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Today General Knowledge(GK)
The colour of a blue litmus paper will turns _________ when you put a drop of acid on it
A)
pink
B)
yellow
C)
green
D)
red

Correct Answer : Option (D) - red



When we put a drop of acid on blue litmus paper then it turns red. Whereas, we put a drop of acid on red litmus paper then it remains red. - Under basic or alkaline conditions red litmus paper turns blue, with colour change occurring over the pH range of 4.5-8.3.

Published On : June 12, 2021
Category : Science and Technology
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