Question

ONLY THE BEST BIOLOGISTS CAN ANSWER THESE.

Question 4 (Multiple Choice Worth 2 points)

Bronze is an alloy, which is what form of matter?

Solution

Heterogeneous Mixture

Element

Compound

Question 5 (Multiple Choice Worth 2 points)

Solutions

have a uniform composition and can be separated by physical means.

cannot be separated by physical means.

do not have a uniform composition.

none of the above.

Answer 1

Question 6 (Multiple Choice Worth 2 points)

Filtration, decantation, and evaporation are examples of

ways in which scientists distinguish between elements and compounds.

separation by chemical means.

separation by physical means.

ways in which scientists separate compounds.

Question 7 (Multiple Choice Worth 2 points)

Solutions can be separated by

chemical means.

physical means.

electrolysis.

solutions can-not be separated.

Question 8 (Multiple Choice Worth 2 points)

Which of the following is an example of a heterogeneous mixture?

Water

Salt Water

Dirt

Brass

Question 9 (Multiple Choice Worth 2 points)

All of the following are examples of solutions except

salt water.

bronze.

air.

water.

Question 10 (Multiple Choice Worth 2 points)

Which of the following are listed on the periodic table?

Compounds

Elements

Mixtures

Solutions

Question 11 (Multiple Choice Worth 2 points)

Aluminum, carbon, and calcium are examples of what type of matter?

Solution

Heterogeneous Mixture

Element

Compound