Ch 1

In toothpaste, calcium carbonate does what?

abrasive

Which of the following contains chemicals? a. sunlight b. fruit c. Milk d. cereal

b, c, d

___ are substances that have the same composition and properties wherever found

chemicals

What is the study of composition, structure, properties, and reactions of matter?

chemistry

What are the 4 ways chemistry is studied?

composition structure properties reactions

In toothpaste, methyl salicylate does what?

flavor

In toothpaste, sodium lauryl sulfate does what?

loosen plaque

In toothpaste, titanium dioxide does what?

makes it white

___ is another word for all substances that make up our world

matter

In toothpaste, sodium fluorophosphate does what?

prevents formation of cavities

In toothpaste, sorbitol does what?

prevents water loss and hardening