Chemistry Unit 1 Review

Matter can be classified in:

• Mixtures and Compounds

• Substances and Elements

• Mixtures and Substances

• Elements and compounds

Substances are classified in Elements and _________

NH₃ is a:

• Mixture

• Element

• Compound

• Particle

Mixtures are divided in homogeneous and _________

Water and sugar dissolved is an example of:

• Compound

• Homogeneous mixture

• Substance

• Heterogeneous mixture

A chocolate chip cookie is an example of:

• Substance

• Compound

• Homogeneous mixture

• Heterogeneous mixture

The mixtures where the components can be distinguished at simple sight

• Homogeneous

• Heterogeneous

• Homogeneous and heterogeneous

• None

The mixtures where components CAN NOT be distinguished at simple sight:

• Homogeneous

• Heterogeneous

• Homogeneous and heterogeneous

• None

The atmosphere is:

• Mixture

• Substance

• Element

• Compound

Water boils at 100 degrees Celcius

• Physical Property

• Chemical Property

Answer explanation

This is a physical property because you don't need to change the substance to determine it. It is still water, just in a different form (water vapor).