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Sharpening a pencil and tearing paper are examples of physical changes. Which statement describes why these are physical changes?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
Which shows a chemical change?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
Which of these is an example of a physical change?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
Which activity below does not represent a chemical change?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
In which case does a physical change occur?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
Which of these describes a chemical change in matter?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
Which describes a chemical property of a substance?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
Which is an example of a chemical change?
Melting ice
paper burns
able to react with oxygen
ice melts into water
melting ice cubes
Milk turning sour
matching being burned
There is a change in the appearance of the objects.
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