Question

7. The graph below shows how the pH of the liquid in Barry’s mouth changed as he ate a meal

a) Use the graph to give the pH of the liquid in Barry’s mouth before he started to eat.
b) What does the pH tell you about the liquid in Barry’s mouth before he started eating?
c) Berry eats a special chewing gum to prevent acidity after every meal, explain how it works?

Answer 1

Answer:

a) pH=7

b) it is a neutral substance

c) When it comes to acid reflux, chewing gum works to reduce acid in the esophagus. The act of chewing can increase your saliva production, and cause you to swallow more. This allows any acidity in your mouth to be cleared much more quickly.

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hope it helps............