How we can test acid and base with chemical
Asked by shajinair354
| 20th 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.
- 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
| 20th Aug, 2019,
03:58: PM
Concept Videos
- how litmus indicator work
- Turmeric is a _________ indicator
- Name three indicators obtained from nature.
- Name the two indicators used for testing acids.
- Which indicator will turn blue on adding lime water?
- What will be the colour change on addition of vinegar to blue litmus paper?
- Name three fruits which will turn blue litmus to red.
- Which two items/substances found in kitchen will change the colour of blue litmus to red?
- What colour change is observed when few drops of antacid (solution) are put on turmeric paste? Explain why antacid changes colour of turmeric paste?
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