Thickening agents are flavorless starches or proteins commonly used in cooking; such as thickening gravy for dinner. why would you suspect corn starch is a common thickening agent? a. it has a crystalline structure c. it reacts positive to the iodine test b. it is acidic d. all of the above

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car