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How many elements are in CuCO3?
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
Which of the following is an example of what might occur during a chemical change?
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
Blowing bubbles into your milk through a straw causes a ____________________ change.
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
All of the following are chemical reactions EXCEPT--
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
H-O-H --
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
All of the following are physical changes EXCEPT--
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
Which of the following is an element?
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
A compound can have different physical and chemical properties than the elements that make it up.
Ca
frying an egg.
dissolving.
true
is made of 2 elements (hydrogen and oxygen) and is a compound.
3
bubbling
physical
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