Milk of magnesia, which is magnesium hydroxide, is used to cure stomach acidity. What is the mode of action of this drug? A.
Milk of magnesia is an acid that replaces the hydrochloric acid present in the stomach, thus relieving acidity.
B.
Milk of magnesia is a base that neutralizes the excess acid present in the stomach, thus relieving acidity.
C.
Milk of magnesia is a salt that neutralizes the excess acid present in the stomach, thus relieving acidity.

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.