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Lab Safety,Matter States,Solutions Mixtures
Test Description: Review 1st 3 weeks
Instructions: Answer all questions to get your test result.
1) What is Matter?
A
the weight of an item
B
anything that has mass and takes up space.
C
the space taken up
D
the measurement taken of a gram
2) A mixture is?
A
can not be easily separated
B
easily separated ....can be a salad...can be air....can be sugar and water
C
easily separated .....can be a salad...can be a cup of coffee
D
easily separated ..can be a salad....can be a cup of tea with ice cubes...air
3) A solution can:
A
can not be easily separated... water and iron filings
B
can not be easily separated...water and sand....water and pepper
C
can not be easily separated .....water and sugar...water and salt..
4) If I put 4 grams of sugar in a solution and let the water evaporate:
A
I will have 3 grams of sugar left
B
I will have 4 grams of sugar left
C
I will have 2 grams of sugar left
D
I will have no sugar left
5) When a liquid can not hold or dissolve anymore sugar(saturated)
A
the sugar will sink to the bottom
B
the sugar will disappear
6) How can I separate this mixture:water ,marbles, iron filings
A
allow the water to evaporate only
B
use a magnet,screen filter
C
use a magnet only
D
use a screen filter only
7) I have a cup with 10 milliliters of water..A sponge was then placed in the cup. The cup now containes 3 (ml)milliliters of water.)How much water was absorbed by the sponge?
A
2 ml
B
6 ml
C
7ml
D
10ml
8) After that , the sponge was squeezed and the water returned to the same cup. It now has 8 millimters of water. How much water was retained by the sponge?
A
4ml
B
5ml
C
2ml
D
3ml
9) Air is mixture
A
False- it only contains oxygen
B
True---It contains nitrogen,oxygen,carbon dioxide and other gases
10) Mass is measured in what units and by using what tool?
A
grams.....triple beam balance
B
pounds.......scale
C
grams and a ruler
*select an answer for all questions
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