kaywendel2008
kaywendel2008
16.11.2019 • 
Chemistry

What type of substance is toothpaste?
a. colloid
b. solution
c. element
d. compound

of the following, which is the most concentrated solution?
a. 12 g/ml
b. 1.2 g/ml
c. 0.12 g/ml
d. 0.012 g/ml

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