Saliva's buffering capacity and flow of secretion are directly related to the rate and extent of demineralization. ... Saliva can act as a replenishing source and inhibit tooth demineralization during periods of low pH, while promoting tooth remineralization when the pH returns to a neutral state.

7 0

3 years ago

Question 11 (10 points)

andrey2020 [161]

Answer:

The correct answer is option a.

Explanation:

When aluminum hydroxide reacts with of nitrous acid it gives of aluminum nitrite and of water.

$Al(OH)_3+3HNO_2\rightarrow Al(NO_2)_3+3H_2O$

According to above reaction ,when 1 mole of aluminum hydroxide reacts with 3 moles of nitrous acid it gives 1 mole of aluminum nitrite and 3 moles of water.

Hence, the correct answer is option a.

4 0

3 years ago

How many moles of Na are needed to produce 4 moles of NaCl in the reaction below?

IgorC [24]

Answer:

4 moles of Na are needed.

8 0

2 years ago

Which of these would help maintain homeostasis during exercise?

statuscvo [17]

I believe the answer is d