Quiz on Elements, Compounds, and Mixtures

What are the two main categories of matter according to the diagram?

• Solids and Liquids

• Pure Substances and Mixtures

• Gases and Plasmas

• Atoms and Molecules

Which category does 'Compounds' fall under in the diagram?

• Mixtures

• Pure Substances

• Homogeneous

• Heterogeneous

What distinguishes a pure substance from a mixture?

• Pure substances have a fixed composition; mixtures do not.

• Mixtures have a fixed composition; pure substances do not.

• Both have fixed compositions.

• Neither have fixed compositions.

What cannot be broken down into simpler substances?

• Elements

• Compounds

• Mixtures

• Solutions

Which of the following is an example of a mixture?

• Solutions

• Elements

• Compounds

• Atoms

What is a characteristic of a compound?

• Variable formula

• Definite formula

• No formula

• Random formula

Which of the following is NOT a characteristic of a compound?

• Definite formula

• Chemically combined

• Combination of two or more elements

• Randomly mixed

Which of the following is NOT an example of a heterogeneous mixture?

• Candy

• Rocks

• Steel

• Sand

What is the main liquid component in lemonade?

• Water

• Milk

• Oil

• Juice

Which of the following is a benefit of using lemonade powder mix?

• Consistency in taste

• Increased nutritional value

• Longer preparation time

• Higher cost