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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
.
Orange juice
Red
No change
Yellow
Blue
Red
No change
No change
Green
Deep pink
Acid
Neutral
Base
2
.
Lime paste
Red
Yellow
No change
Red
Blue
No change
No change
Deep pink
Green
Base
Acid
Neutral
3
.
Potassium hydroxide solution
Red
Yellow
No change
Red
Blue
No change
No change
Deep pink
Green
Base
Acid
Neutral
4
.
Coffee
Red
No change
Yellow
Blue
Red
No change
No change
Green
Deep pink
Acid
Neutral
Base
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