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Science
Reversible And Irreversible Reaction
Quiz 2
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Q.1
An _______ change cannot be undone because the change is permanent and generally creates a new substance.
Reversible
Irreversible
Q.2
Of the changes below, which is NOT an irreversible change:
rusting
cooking
melting
burning
Q.3
This is when a solid changes to a liquid
Melting
Evaporation
Freezing
Boiling
Q.4
Which is not a property of matter?
solid
liquid
gas
ice
Q.5
What type of reactions can able to change products back to the their original form?
Reversible reactions
Irreversible reactions
Combustion reactions
Combination reactions
Q.6
Choose the TWO reversible changes:
Both A & B
usting
freezing
condensing
Q.7
The freezing and melting points of water are the same.
True
False
Q.8
When a liquid reaches the temperatures of its ___, it can become a gas.
melting point
freezing point
boiling point
density
Q.9
When a solid reaches the temperatures of its ___, it can become a liquid.
melting point
freezing point
boiling point
density
Q.10
Burning wood is a reversible change.
True
False
Q.11
What is a gas?
Gases have their own shape and size.
Gases take the shape of their container.
Gases spread out to fill space.
Q.12
What is a solid?
Solids have their own shape and size.
Solids take the shape of their container.
Solids spread out to fill space.
Q.13
What is a liquid?
Liquids have their own shape and size.
Liquids take the shape of their container.
Liquids spread out to fill space.
Q.14
Which of these is NOT a reversible change?
Water to Ice
Juice to Popsicle
Cookie Dough to Cookie
Melting Chocolate
Q.15
When you cook pancakes, is the change reversible or irreversible?
reversible
irreversible
Q.16
What is a reversible change?
a change that can be undone or reversed
a change that CANNOT be undone or reversed
Q.17
What is an irreversible change?
A change that can be undone or reversed
A change that cannot be undone or reversed
Q.18
When ice melts in the sun, is that change reversible or irreversible?
reversible
irreversible
Q.19
When you burn logs from trees, is that change reversible or irreversible?
reversible
irreversible
Q.20
When you boil water on the stove, is the change reversible or irreversible?
reversible
irreversible
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