CBSE Class 7 Answered
How we can test acid and base with chemical
Asked by shajinair354 | 20 Aug, 2019, 03:33: PM
Expert Answer
With the help of indicators, we can test acids and bases.
- Methyl orange indicator gives a red colour in an acidic solution and gives a yellow colour in a basic solution
- Phenolphthalein is colourless in an acidic solution and gives a pink colour in a basic solution.
- An acid turns the blue litmus to red and a base turns the red litmus to blue.
Answered by Ramandeep | 20 Aug, 2019, 03:58: PM
Concept Videos
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Acid–Base Indicators
This video describes different chemical indicators used for acid-base tests...
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