REVIEW: MIXTURE AND SUBSTANCES

Which molecule is an element?

• A
• B
• A & B
• NONE OF THE ABOVE

Which molecule is an COMPOUND?

• A
• B
• A & B
• NONE OF THE ABOVE

Which of the following best describes a mixture?

• A chemically combined substance
• A combination of 2 or more element that is used to make a new substance.
• A combination of substances where new substances are formed through a chemical reaction.
• A combination of substances in which the atoms of the substance do not chemically combine.

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

• oil and water
• halo-halo
• sand and water
• air

A type of mixture contains two or more substances that are visibly distinguishable.

• homogeneous
• heterogeneous
• solution
• suspension

Which of the following is an example of homogeneous mixtures?

• air
• soft drink
• fruit salad
• sandwich

fruit salad

• element
• compound
• homogeneous mixture
• heterogeneous mixture

Steel

• element
• compound
• homogeneous mixture
• heterogeneous mixture

oxygen

• element
• compound
• homogeneous mixture
• heterogeneous mixture

carbon dioxide

• element
• compound
• homogeneous mixture
• heterogeneous mixture