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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
element
B
isotope
C
molecular mass
D
atomic mass
2) Groups of two or more atoms linked by chemical bonds to form distinct units
A
isotopes
B
elements
C
molecules
D
models
3) Molecules with the same number and types of atoms but different arrangements of atoms
A
compound
B
isotopes
C
solution
D
isomers
4) A substance that has the same physical properties throughout with one type of atom, molecule or non-molecular compound.
A
heterogenous mixture
B
pure substance
C
mixture
D
solution
5) A substance that is uniformly mixed is called
A
a solution
B
a heterogenous mixture
C
isomer
D
pure substance
6) Salt is mixed in water. Salt is an example of
A
colloid
B
solute
C
solvent
D
precipitate
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
pure substance
B
solvent
C
solution
D
colloid
9) If a given substance does not readily dissolve in a given solvent, the substance is said to be
A
insoluble
B
soluble
C
concentrated
D
heterogenous
10) Which factor does not affect the rate of dissolving?
A
grinding the solute
B
temperature
C
stirring
D
light
*select an answer for all questions
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