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Subjects
Science State Board
Class 8
Acids and bases
Properties and applications of acids, bases
14.
Natural indicators: Find the nature of the given samples
Exercise condition:
8
m.
Find out the nature of the given solutions.
Q.No.
Sample
Turmeric
indicator
Litmus
paper
Hibiscus
solution
Acid/Base
1
.
Lemon juice
Yellow
Red
No change
Red
Blue
No change
Deep pink
Green
No change
Base
Neutral
Acid
2
.
Lime paste
No change
Red
Yellow
Red
Blue
No change
Deep pink
No change
Green
Acid
Base
Neutral
3
.
Potassium hydroxide solution
No change
Red
Yellow
Red
Blue
No change
Deep pink
No change
Green
Acid
Base
Neutral
4
.
Coffee
Yellow
Red
No change
Red
Blue
No change
Deep pink
Green
No change
Base
Neutral
Acid
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