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Author Question: Color is measured by all of the following except (1) color-difference meter, (2) ... (Read 40 times)

student77

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Color is measured by all of the following except
 
  (1) color-difference meter, (2) spectrophotometric methods, (3) threshold tests, (4) tristimulus colorimetry, (5) visual methods such as revolving discs.

Question 2

The formula for acrolein is
 
  (1) C-C-C=O, (2) C=C=C-O, (3) C=C=O-C, (4) C=C-C=O, (5) C=C-C-O.



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ashely1112

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Answer to Question 1

3

Answer to Question 2

4



student77

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Both answers were spot on, thank you once again



ashely1112

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