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Author Question: A 97 purity standard is required for which of the following gases? a. Ethylene c. Nitric oxide ... (Read 25 times)

cdr_15

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A 97 purity standard is required for which of the following gases?
 
  a. Ethylene c. Nitric oxide
  b. Nitrogen d. Nitrous oxide

Question 2

Which of the following appear(s) on the labels of gas cylinders? 1. Chemical symbol of the contents 2. Precautionary measures for the gas 3. Specific hazards related to use of the gas 4. Volume of the cylinder marked in liters at 70 F
 
  a. 1 c. 1, 2, and 3
  b. 1 and 4 d. 1, 2, 3, and 4



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olderstudent

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Answer to Question 1

ANS: D

Answer to Question 2

ANS: D
The CGA and the American Standards Association specify that all labels should include the chemical symbol of the contents, precautionary measures, specific hazards related to the gas, and the volume of the cylinder marked in liters at 70 F.




cdr_15

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Reply 2 on: Jul 16, 2018
Gracias!


scikid

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Reply 3 on: Yesterday
Excellent

 

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