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Chemistry, 17.11.2019 00:31 makalanharrison
1)the chemical properties of a compound are different from the chemical properties of a mixture because:
a)the substances in a compound are chemically joined in a fixed proportion
b) the substances in a compound are always composed of at least three different types of atoms
c)mixtures are always homogeneous
d)the properties of a mixture are different from those of the substances from which it is made
2)when kool-aid is added to water and stirred, the water becomes uniformly colored. this is proof that a chemical change has occurred. t/f
3)under the same conditions of temperature and pressure, a liquid differs from a gas because the particles of the liquid:
a)are in constant straight-line motion
b)take the shape of the container they occupy
c)have no regular arrangement
d)have stronger forces of attraction between them
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