Given the following analysis of coal samples,which is the best fuel?
A) 95% C, 5% O
B) 75% C, 25% O
C) 50% C, 50% O
D) 25% C, 75% O
Correct Answer:
Verified
Q37: Wood,crop residues,and _ still remain the main
Q38: Which of the following is a fuel?
A)HCl
B)H₂O
C)C
D)CO₂
Q39: Fuels are _ forms of matter.
A)oxidized
B)reduced
C)acidic
D)basic
Q40: Which physical state has the lowest entropy?
A)solid
B)liquid
C)gas
D)All
Q41: Which of the following is NOT a
Q43: The most abundant fossil fuel in the
Q44: Most of the coal that exists today
Q45: Coal can be cleaned before it is
Q46: The United States is estimated to have
Q47: The primary element in coal is
A)carbon.
B)silicon.
C)oxygen.
D)chlorine.
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