Question

6. 'Litmus', a natural Indicator is an
extract of which of the following?
(a) China rose (Gudhal)
(b) Beetroot
(c) Lichen
(d) Blue berries (Jamun)

8. A solution changes the colour of
turmeric from yellow to red. Then the
nature of solution will be:
(a) basic
(b) acidic
(c) neutral
(d) either neutral or acidic
9. Which of the following set of
substances contain acids?
(a) Grapes, lime water
(b) Vinegar, milk of magnesia
(c) Curd, milk of magnesia
(d) Curd, vinegar​

Answer 1

Answer:

6. c) lichen

8. a) basic

9.d) curd , vinegar

Answer 2

7- Lichen

8- acidic

9-. curd ,vinegar