Why do food scientists need to understand chemistry? A. They use chemicals as flavorings and preservatives.
B. They use complicated machines to produce food products.
C. They study how to make plants produce certain chemicals.
D. They study the effects of different foods on the body.

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.