Which of these can be classified as a pure substance?
question 14 options:
solution
compound
heterogeneous mixture
homogeneous mixture
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question 15 (1 point) question 15 unsaved
if a solution is saturated, which of these is true?
question 15 options:
more solute can be dissolved.
the concentration cannot be increased.
the solution has a low concentration of solute.
more solvent can be dissolved.
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question 16 (1 point) question 16 unsaved
the following characteristics describe which of these terms? the substance is not uniform in appearance and each part of the mixture contains a combination of different ingredients in different ratios.
question 16 options:
heterogeneous mixtures
homogeneous mixtures
pure substance
solution
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question 17 (1 point) question 17 unsaved
which one of the following is not a compound?
question 17 options:
salt
sugar
water
chocolate chip cookies
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question 18 (1 point) question 18 unsaved
which one of the following is not a homogeneous mixture?
question 18 options:
vegetable soup
carbonated beverages
saline solution
brewed tea
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what is the difference between a compound and a mixture?
a mixture is a pure substance, but a compound is not.
a compound is a pure substance, but a mixture is not.
mixtures are chemically combined, but compounds are not.
you cannot separate mixtures, but you can separate compounds.
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which of these is a unique property of acids?
feels slippery
tastes sour
has a ph level of 10 or higher
contains a carbon