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Author Question: Adding oxygen containing additives, such as methyl tert-butyl ether or ethanol, to gasoline improves ... (Read 90 times)

Wadzanai

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on: Aug 27, 2018
Adding oxygen containing additives, such as methyl tert-butyl ether or ethanol, to gasoline improves octane rating and reduces CO emissions in automobile engines.
 
  Indicate whether the statement is true or false

Question 2

The density of coal is higher than the density of most of its impurities.
 
  Indicate whether the statement is true or false


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blakcmamba

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Reply #1 on: Aug 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

FALSE


Wadzanai

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Reply 2 on: Aug 27, 2018
Excellent

amcvicar

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Reply 3 on: Yesterday
Wow, this really help

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