All acid base indicators (choose all that apply)
A) change color at different pH values
B) have more than one endpoint
C) change from red (pink) to blue and blue to red (pink)
D) are made from natural products

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.