Pre-Test:
True or False. Write T if the statement is true and write F if the
statement is false. Write the Letter of your answer in the space
provided before the number.
_________1. Mixtures contain two or more components.
__________ 2. A pure substance is made up solely of that substance and cannot be
separated into any other substances.
____________ 3. The components of a solution are easy to distinguish by the
unaided eye.
__________ 4. Pure substances can be elements made up of 2 or more atoms
____________ 5. Compounds are made up of more than one pure substance, and they
differ from mixtures in that it is impossible to separate them without
a chemical reaction.
____________ 6. A mixture can be separated into two or more pure substances.
____________ 7. Many things around you are mixtures.
__________ 8. The variation in size cannot tell whether a mixture is
homogenous or heterogeneous.
__________ 9. Homogeneous mixtures have the same look and characteristics
throughout the mixture.
___________ 10. In the real world, substances such as elements and compounds are
rarely pure because they are usually contaminated by their
containers, their surroundings, or their production.
Share
Answer:
1. True
2. False
3. True
4. True
5, True
Explanation:
Answer:
1.True
2.False
3.True
4.True
5.False
6.True
7.False
8.True
9.False
10.True
Explanation:
I don't if its true