DIFFUSION | Chemistry Quiz

DIFFUSION

9th grade

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Chemistry

3 minutes ago

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Question 1
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Q.
Diffusion occurs only in solids
answer choices
True
False
True 
alternatives
False
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Question 2
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Q.
How do the particles move in diffusion?
answer choices
From a region of low concentration to a region of high concentration
From a region of high concentration to a region of low concentration
From a region of low concentration to a region of low concentration
From a region of high concentration to a region of high concentration
From a region of low concentration to a region of high concentration 
alternatives
From a region of high concentration to a region of low concentration 
From a region of low concentration to a region of low concentration 
From a region of high concentration to a region of high concentration 
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Question 3
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Q.
How long does diffusion last?
answer choices
Until the concentration of particles in the system is equal
(Select this answer and I swear i'll make it harder for you in the assessment task)
Until a region in the system has a greater concentration of particles than the other
Until the particles disappear from the system
Until the concentration of particles in the system is equal 
alternatives
(Select this answer and I swear i'll make it harder for you in the assessment task) 
Until a region in the system has a greater concentration of particles than the other 
Until the particles disappear from the system 
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Question 4
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Q.
The movement of particles is __________, resulting in the particles being spread throughout the container
answer choices
Structured
In a straight line
Random
In curved, way motions
Structured
alternatives
In a straight line
Random 
In curved, way motions
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Question 5
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Q.
What happens to the coffee particles when coffee is added to hot water?
answer choices
They sink to the bottom of the cup
They spread out
They clump together
They sink to the bottom of the cup
alternatives
They spread out 
They clump together 
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Question 6
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Q.
What does a 'region with high concentration' mean?
answer choices
An area with a SMALL number of particles
An area with a LARGE number of particles
An area with an UNEVEN number of particles
An area with no particles
An area with a SMALL number of particles
alternatives
An area with a LARGE number of particles 
An area with an UNEVEN number of particles 
An area with no particles
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Question 7
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Q.
When does diffusion stop?
answer choices
After a day and a night
When the particles are evenly spread out
When there are no particles left
When all the particles leave the system
After a day and a night
alternatives
When the particles are evenly spread out
When there are no particles left
When all the particles leave the system
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Question 8
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Q. Diffusion is the _______________ movement of particles freely in all directions to occupy the whole space available
answer choices
constant orderly
constant random
continuous
fixed
constant orderly
alternatives
constant random
continuous
fixed
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Question 9
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Q. Which gas will diffuse at the slowest speed?
answer choices
oxygen
carbon dioxide
bromine
hydrogen
oxygen
alternatives
carbon dioxide
bromine
hydrogen
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Question 10
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Q. The picture is an example of _________________.
answer choices
isotonic
diffusion
osmosis
active transport
isotonic
alternatives
diffusion
osmosis
active transport
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Question 11
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Q. Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration
answer choices
High, low
Low, high
Low, low,
High, high
High, low
alternatives
Low, high
Low, low,
High, high
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Question 12
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Q. The picture below is an example of _________________.
answer choices
osmosis
isotonic
diffusion
active transport
osmosis
alternatives
isotonic
diffusion
active transport
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Question 13
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Q. An increase in temperature does what to diffusion?
answer choices
Speeds it up
Slows it down
Has no effect
I wish i knew. Really I do.
Speeds it up
alternatives
Slows it down
Has no effect
I wish i knew. Really I do.
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Question 14
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Q. The faster an object moves, the ________ kinetic energy it has.
answer choices
more
less
none of the above
all of the above
more
alternatives
less
none of the above
all of the above
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Question 15
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Q. What process occurs when WATER diffuses across a membrane?
answer choices
endocytosis
mitosis
osmosis
nuclear fission
endocytosis
alternatives
mitosis
osmosis
nuclear fission
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