Question

1. What happens when lemon juice is added to china rose solution?

2. Tooth decay is caused by the presence of a base. (True/False)

3. When are chemicals like calcium oxide or calcium hydroxide added to the soil?

Answer 1

1.when lemon juice added to china rose than china rose react with lemon juice and change colour of dark pink .
2. False
3. than these chemical neutralise soil acid and hence soil become neutral