Chemistry, 05.11.2020 19:20 ggggggggv24
Read each description and determine whether it is a pure substance or mixtu
Then further classify the matter (element, compound, homogeneous mixture,
heterogeneous mixture)
Description
Classification?
Pure Substance
or Mixture?
Mixture
1. Chocolate syrup is added to milk and stirred
Homogenous mixture (solution)
2. Copper metal (used to make wires)
3. Sand is added to water
4. Distilled water(H20)
5. Tap water
(H20, Na, CI, F2, Mn, Fe, AI, P, Cu, Pb, and Zn)
6. Helium gas (used to inflate a balloon)
7. Table sugar (C12H22011)
8. Table sugar added to a cup of coffee and stirred
I
9. The air we breathe (O2, CO2, N, Ar and H20)
Answers: 1
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Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
Answers: 2
Read each description and determine whether it is a pure substance or mixtu
Then further classify t...
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