1. which of the following are pure substances?
solutions
compounds
homogeneous m...
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Chemistry, 08.01.2020 10:31 Diamondnado3046
1. which of the following are pure substances?
solutions
compounds
homogeneous mixtures
colloids
2. if an unknown substance can not be broken down into simpler substances, it is
a compound.
an element.
made of one kind of atom.
both an element and made of one kind of atom.
3. when a physical change in a sample occurs, which of the following does not change?
shape
temperature
volume
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