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Elements, Compounds And Mixtures
Test Description: Review for chemistry quiz
Instructions: Answer all questions to get your test result.
1) THe smallest part of a substance is the
A
Atom
B
Molecule
C
Mixture
D
Compound
2) A Pure Substance that can not be changed into simplier substances is
A
molecule
B
compound
C
element
D
mixture
3) Two or more different substances combined chemically are called
A
compound
B
mixture
C
atom
D
element
4) THis can be separated by physical means such as filtering.
A
molecule
B
mixture
C
compound
D
element
5) A mixture that is uniform throughout where the substances are not easily visible is called:
A
homogeneous
B
heterogeneous
C
pure substance
D
compound
6) Choose the two pure substances
A
homeogeneous and heterogeneous
B
mixture and compound
C
compound and solution
D
element and compound
7) What is formed when two identical atoms are chemically combined?
A
compound
B
molecule
C
element
D
mixture
8) Iron is classified as what?
A
mixture
B
molecule
C
element
D
compound
9) Since many substances are visible, salad dressings are classified as what?
A
heterogeneous mixture
B
element
C
compound
D
homogeneous mixture
10) Compounds are created from combining 2 or more ?
A
homogeneous
B
mixtures
C
atoms chemically
D
atoms physically
*select an answer for all questions
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