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Author Question: One of the best indicators of photochemical smog is a. CO2. b. HC. c. O3. d. ... (Read 31 times)

meagbuch

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on: Jul 28, 2018
One of the best indicators of photochemical smog is
 a. CO2.
  b. HC.
  c. O3.
  d. NOx.

Question 2

Chloroform can be broken down by chemical means but not by physical methods. Thus chloroform is
 a. a homogeneous mixture.
  b. an element.
  c. a compound.
  d. a heterogeneous mixture.


cadimas

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

c


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