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Mixtures And Solutions
Test Description: Mixtures and solutions review
Instructions: Answer all questions to get your test result.
1) 1. When a solution evaporates from a container, ________________ may remain at the bottom or sides.
A
chemical
B
saluration
C
solute
D
solvent
2) 2. Susan mixed together coarse sand, salt and iron filings in 150mL of water. Which series of steps will most easily separate the substance of mixture?
A
B. Heat the solution and filter out the sand and salt.
B
A. Filter out the salt and attract the iron filing with a magnet.
C
C. Filter out the coarse sand. Attract iron filings with a magnet. Heat and evaporate off the water from the salt.
D
D. Attract the iron filings with a magnet. Filter out the salt. Evaporate the water from the coarse sand.
3) 3. In which temperature of water would sugar dissolve slowest?
A
ice water
B
hot water
C
boiling water
D
room temperature water
4) Which of these statements is true?
A
All mixtures are also solutions
B
all mixtures are compounds
C
All compounds are also mixtures.
D
All solutions are also mixtures
5) 8. Kool-Aid is an example of _______________.
A
an element
B
a compund
C
a chemcial
D
a solution
6) Dissolve
A
when a solid disappers into a liquid
B
liquid turns to gas
C
two or more materials mixed together
D
special shape of a solid
7) Evaporate
A
when a solid disappears into a liquid
B
two or more materials mixed together
C
liquid turns into gas
D
characteristic of an object
8) solution
A
specail shape for a solid
B
two or more materials mixed together
C
a specail mixture that can not easily be separted
D
when a solid disapperas into a liquid
9) mixture
A
when a solid disappers into a liquid
B
special shape of a solid
C
anything that has mas and takes up space
D
two or more materials mixed together
10) One characteristic of a solid is that
A
it can be poured
B
particles are tightly packed
C
particles are spread far apart
D
it takes the shape of its container
11) Which will produce a chemical reaction?
A
baking soda into vinegar
B
rock into water
C
paper into a shredder
D
salt into pepper
12) How is a gas different from a solid or a liquid
A
it has volume
B
it is made of tiny particles
C
it has density
D
it expands to fill its container
*select an answer for all questions
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