Chemistry Unit 1 review Matter, metrics and density

What does this pic illustrate?

• Element

• Mixture of Compunds

• Mixture of elemets

• Compounds

diagram "c" is an example of a(n)

• element

• compound

• mixture

Salt is a(n)

• element
• compound
• mixture

diagram "b" is an example of a(n)

• element

• compound

• mixture

What does this illustrate

• Elements

• Compunds

• Mixture of Elements and Compunds

• Mixture of Compounds

Grape Kool-Aid dissolves in water and makes purple water.

• Physical

• Chemical

Hydrochloric acid reacts with potassium hydroxide to produce a salt, water and heat.

• Physical

• Chemical

Another name for a homogenous mixture is?

• colloid

• suspension

• solution

• compound

Which of the following is matched incorrectly.

• Air = compound

• Steel alloy = homogeneous mixture

• Glucose (C₆H₁₂O₆) = compound

• Cookies & Cream = heterogenous mixture

Which statement is true about compounds?

• a pure substance where two or more elements are chemically combined

• a homogenous mixture of 2 or more elements

• a pure substance containing only one type of atom

• a heterogeneous mixture of 2 or more elements chemically combined