FROM WHERE DOES LITMUS COME?
Asked by Sujit | 9th May, 2014, 09:10: PM
Litmus is a water-soluble mixture of different dyes extracted from lichens (algae), especially Roccella tinctoria. It is absorbed onto filter paper to produce pH indicator.
Answered by Prachi Sawant | 12th May, 2014, 10:41: AM
- how litmus indicator work
- How we can test acid and base with chemical
- 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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