We have come across a colourful Paper Strip in chemical laboratories. This multi-coloured paper strip is used as a reference to compare the colours of various solutions. Can you tell me what exactly do chemists check with these colour codes? And what exactly is this multi-coloured strip which is used very often? Watch this video to find out answers to all these questions.
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In this video, we will learn:
0:00 Introduction
0:12 What is pH?
1:00 pH scale
2:50 pH of solutions (example)
3:50 How the numbers on pH scale are calculated?
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