Question

Fill in the blank

Acid-base indicator are dyes or mixture of dyes which are used to indicate the presence of _________ and __________

Answer 1

Answer:H+ and OH- ions

Explanation:

Answer 2

Hey mate

Acid-base indicator are dyes or mixture of dyes which are used to indicate the presence of

H+ and OH- ions

Boost your knowledge:

• These dyes are natural as well as synthetic (artificial)

• Natural dyes like litmus paper (made of lichens) ; onions etc are good gifted acid base indicator

•Others like phenolphthalein and methyl orange are synthetic acid base indicator

• Another best example is universal indicator which can also indicate approx pH.

• These indicators reacts with these H+ and OH- ions to give a change in their colour or smell