Indicators

Question 1

Types of indicators

Answer 1

Phenolphthalein
Methyl orange
Bromothymol Blue
Litmus

Question 2

Phenolphthalein range and colour

Answer 2

8.3(Colourless)-10(Pink)

Question 3

Methyl Orange range and colour

Answer 3

3.1(red)-4.4(yellow)

Question 4

Bromothymol Blue range and colour

Answer 4

6.0(yellow)-7.6(blue)

Question 5

Litmus range and colour

Answer 5

5.0(red)-8.0(blue)