Question 1
Compounds can be separated by
chemical means.
physical means.
boiling.
pressure.

Question 2
Oxygen, sulfur and tungsten are all examples of what type of matter?
Compound
Element
Heterogeneous Mixture
Solution

Question 3
A substance that has a uniform composition and is able to be separated by physical means is a(n)
solution.
heterogeneous mixture.
element.
compound.

Question 4
Which of the following can-not be separated by physical means?
Mixtures
Solutions
Elements
None of the above.

Question 5
Which of the following is a solution?
Steel
Milk
Plastic
Water


Question 6
A homogenous mixture of two or more substances is known as a(n)
element.
compound.
solution.
atom.


Question 7
Which of the following is an example of a heterogeneous mixture?
Water
Salt Water
Dirt
Brass


Question 8
Which of the following is not an example of separation by physical means?
Distillation
Sublimation
Boiling
Electrolysis


Question 9
Describe a procedure to separate a mixture of salt, sand, and water.

Question 10
List two ways in which heterogeneous mixtures differ from elements.

Question 11
How do scientists distinguish between an element and a compound? List two elements and two compounds.