Question

Substance
Redimus Blue litmus No Change
turns blue turns red in litmus
1. Orange
2. Tomatoes
3. Baking Soda
4. Mineral Water
he
5. Vinegar
6. Salt Water
7. Shampoo
al
be
re
d
8. Washing Soda
9. Spirit
10 Saliva
11. Cucumber
12. Ridge gourd
13 Kheera
14. Butter Milk
15. Milk
16. Cooldrink
17. Lemon Juice
18. Grape Juice
19. Bathing Soap
20. Detergent Soap
21. Lime Water
22. Sugar Water
VII Science​

Answer 1

I did not understand the question itself