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Samuels PS Compounds And Mixtures
Test Description: Physical science compounds and mixtures
Instructions: Answer all questions to get your test result.
1) The types and number of atoms in a molecule make up the
A
atomic mass
B
isotope
C
molecular mass
D
element
2) Groups of two or more atoms linked by chemical bonds to form distinct units
A
models
B
isotopes
C
elements
D
molecules
3) Molecules with the same number and types of atoms but different arrangements of atoms
A
isomers
B
compound
C
solution
D
isotopes
4) A substance that has the same physical properties throughout with one type of atom, molecule or non-molecular compound.
A
solution
B
heterogenous mixture
C
mixture
D
pure substance
5) A substance that is uniformly mixed is called
A
isomer
B
pure substance
C
a solution
D
a heterogenous mixture
6) Salt is mixed in water. Salt is an example of
A
solute
B
solvent
C
precipitate
D
colloid
7) Salt is mixed in water. Water is an example of
A
colloid
B
solute
C
solvent
D
precipitate
8) A mixture containing tiny suspended clumps or particles is called a
A
solution
B
colloid
C
pure substance
D
solvent
9) If a given substance does not readily dissolve in a given solvent, the substance is said to be
A
soluble
B
heterogenous
C
insoluble
D
concentrated
10) Which factor does not affect the rate of dissolving?
A
temperature
B
light
C
stirring
D
grinding the solute
*select an answer for all questions
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