1. Litmus is obtained from 2. A turns red litmus paper into blue. 3. China rose solution imparts colour in basic medium. 4. Phenolphthalein remains colourless in medium. 5. substances are neither acidic nor basic in character.
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Explanation:
option 5
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Answer:
1 lichen
2 A is basic
3 it is acidic
4 it is basic
5 neutral
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