Question

A.) does amylase break down starch?

b.) do acidic conditions deactivate amylase
c.) how is stomach acid neutralized in the small intestine

Answer 1

A) Yes it does
B) Yes as asidic conditions with a low pH can denature the enzyme(protein)
C) A substance called bile neutralises the acid to provide the alkaline conditions needed in the small intestine. Bile is produced by the liver and stored in the gall bladder.

Hope that Helps!
:D