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10 questions
Give a example of physical change
kicking a football
burning a paper
growth of animals and plants
cooking
Which of these are chemical changes?
rusting
burning a log
Melting ice cream
slicing a orange peel
What is a reversible change?
a change that cannot be reversed
a change that can be reversed
I don't know
a change where a new substance is formed
What are irreversible changes?
A change that cannot be reversed
A change that can be reversed
I don't know
A change in which no new substance are formed
What are physical changes?
I don't know
a change where no new substance are formed
a change where a new substance has formed
A new formation of gas
What are chemical changes
I don't know
a new formation of gas
a new formation of substance
No new formation of substance
Burning a log is a chemical change
true
false
Melting of a popsicle is a reversible change
true
false
Growth of animals and plants
chemcial change
physical change
I don't know
Reversible change
Chemical changes are always irreversible
true
false
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