Elements, Compounds And Mixtures Question Preview (ID: 15738)
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THe smallest part of a substance is the
a) Atom
b) Compound
c) Mixture
d) Molecule
A Pure Substance that can not be changed into simplier substances is
a) compound
b) mixture
c) molecule
d) element
Two or more different substances combined chemically are called
a) mixture
b) compound
c) element
d) atom
THis can be separated by physical means such as filtering.
a) compound
b) element
c) molecule
d) mixture
A mixture that is uniform throughout where the substances are not easily visible is called:
a) homogeneous
b) heterogeneous
c) compound
d) pure substance
Choose the two pure substances
a) mixture and compound
b) compound and solution
c) homeogeneous and heterogeneous
d) element and compound
What is formed when two identical atoms are chemically combined?
a) molecule
b) compound
c) mixture
d) element
Iron is classified as what?
a) element
b) compound
c) mixture
d) molecule
Since many substances are visible, salad dressings are classified as what?
a) element
b) homogeneous mixture
c) heterogeneous mixture
d) compound
Compounds are created from combining 2 or more ?
a) atoms physically
b) mixtures
c) atoms chemically
d) homogeneous
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