CBSE Class 10 Science 2020 · Paper 31/2/1 · Question 11
A visually challenged student, has to perform a lab test to detect the presence of acid in a given solution. The acid-base indicator preferred by him will be :
- (a)Blue litmus
- (b)Clove oil
- (c)Red cabbage extract
- (d)Hibiscus extract
Answer
(b) Clove oil
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