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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
Compound
C
Molecule
D
Mixture
2) A Pure Substance that can not be changed into simplier substances is
A
mixture
B
element
C
compound
D
molecule
3) Two or more different substances combined chemically are called
A
atom
B
mixture
C
element
D
compound
4) THis can be separated by physical means such as filtering.
A
element
B
molecule
C
mixture
D
compound
5) A mixture that is uniform throughout where the substances are not easily visible is called:
A
heterogeneous
B
pure substance
C
homogeneous
D
compound
6) Choose the two pure substances
A
mixture and compound
B
compound and solution
C
homeogeneous and heterogeneous
D
element and compound
7) What is formed when two identical atoms are chemically combined?
A
element
B
compound
C
mixture
D
molecule
8) Iron is classified as what?
A
mixture
B
element
C
compound
D
molecule
9) Since many substances are visible, salad dressings are classified as what?
A
homogeneous mixture
B
element
C
compound
D
heterogeneous 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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