Adding oxygen containing additives, such as methyl tert-butyl ...

[Wadzanai]

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

[blakcmamba]

Answer to Question 1

TRUE

Answer to Question 2

FALSE

[Wadzanai]

Thanks for the timely response, appreciate it

[adammoses97]

TYSM