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Author Question: What forms as the result of the incomplete combustion of natural gas? a. Ozone b. Nitrogen c. ... (Read 64 times)

soccerdreamer_17

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on: Jul 24, 2018
What forms as the result of the incomplete combustion of natural gas?
 
  a. Ozone
  b. Nitrogen
  c. Aldehydes
  d. Sulphuric acid

Question 2

Natural-draft furnaces generally have efficiency ratings of _____.
 
  a. below 65 percent
  b. below 78 percent
  c. below 85 percent
  d. 90 percent and above


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Bsand8

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Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

b


soccerdreamer_17

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Reply 2 on: Jul 24, 2018
Wow, this really help

Sarahjh

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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