Question

name the oftenly used acid base indicators used in the laboratory​

Answer 1

Answer:

litmus indicator

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Answer 2

Answer:

Methyl Orange : From red to orange. pH range : 3.1-4.4. ...

Phenolphthalein : From colourless to pink. pH range ; 8.3-10. ...

Litmus : From red to blue. pH range : 5-8. ...

Phenol Red : From yellow to red