Universal indicator strip gives green colur when put in our mouth before eating food. This indicates that:
A. The pH of saliva is basic in nature
B. The pH of saliva is near neutral
C. Saliva is acidic in nature
D. All are in correct
Answer:A
Universal indicator strip gives green colur when put in our mouth before eating food. This indicates that:
A. The pH of saliva is basic in nature B. The pH of saliva is near neutral C. Saliva is acidic in nature D. All are in correct