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Subjects
Science CBSE
Class 7 New
Exploring Substances: Acidic, Basic, and Neutral
Pumpa Practice Questions
19.
Natural acid base indicator
Exercise condition:
2
m.
Read
the questions given below and
identify
the correct answer:
1.
What is the pigment present in turmeric responsible for its colour and colour change?
Chlorophyll
Anthocyanin
Curcumin
Carotene
2.
Which one of the solutions given below does not change the colour of turmeric?
Limewater
Nitric acid (\(HNO_3\))
Soap solution
Calcium hydroxide [\(Ca(OH)_2\)]
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