Litmus Paper test to detect Acid, Bases and Neutral substance

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Litmus paper is a natural indicator used to test for acids, bases and neutral substances.
Acids changes blue litmus paper to red color, there is no change in red litmus paper.
Bases changes red litmus paper to blue color, there is no change in blue litmus paper.
For neutral substances there is no change in red or blue litmus paper.
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Amazing this video is very helpful for me to understanding this chapter acid base and salt thank you very very much

schoolmate
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Mam ur last vedio was a complete viral 🎉

noobnutya
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maam amazing video..
great efforts thank u..
Aprajita✨💕

_aprajitasingh._
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Hello ma'am, I am ojas, loved your video, hope you r fine now and recovering from covid ☺️

SSSOJM
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Please make video inside the vitamin e capsule

cookwithsangeeta
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Mam which detergent have you used ?
I have tried with many failed

Shreesh
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Ma'am from where we can buy litmus paper

jyotiarora
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Thank you for explaining mam this is harsh by the way

rvay
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Can you perform more activity in class 7 science ncert

annrimamanojb