wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The colour of the pH paper strip turned red when it was dipped into a sample. The sample could be :
(1) dilute sodium bicarbonate solution
(2) tap water
(3) dilute sodium hydroxide solution
(4) dilute hydrochloric acid

Open in App
Solution

Acids convert blue litmus paper to red. So, out of the given options dilute hydrochloric acid will turn blue litmus to red.

Hence, the correct answer is option 1.

flag
Suggest Corrections
thumbs-up
4
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Visual Indicators
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon