Biofuels Posttest

What is the nutrient name for fats and oils?

• lipids

• mayonnaise

• carbohydrates

• lactose

A plant is releasing a gas. What is the mosl tlikely the gas?

• co₂
• methane
• water vapor
• oxygen

What is the mole ratio of Triglyceride to methanol, needed for the transesterification reaction of forming biodiesel

• 1:1

• 3:1

• 1:3

What is the name of this compound?

• glycerol

• triglycerol

• triglyceride

• fatty acid methyl ester (F.A.M.E.)

What is the common name of the above substance?

• glycerol

• triglycerol

• triglyceride

• fatty acid methyl ester (F.A.M.E.)

Identify the most correct 
A. biodiesel is a mixture of glycerol and along chain fatty acid.
B. biodiesel is a mixture of methyl and ethyl esters of fatty acid.
C.vegetable oils and fats are used as biofuels due to their higher energy content
D. biodiesel is composed of long chain hydrocarbons

• A
• B
• C
• D

What is petrodiesel mostly composed of?

• Non-polar hydrocarbons about 12-20 carbons long

• Non-polar hydrocarbons about 5-8 carbons long

• Polar Hydrocarbons 12-20 carbons long

• Polar hydrocarbons 5-8 carbons long

What is the main component of most biofuels?

• Hydrogen

• Carbon

• Nitrogen

• Oxygen

What is the process of converting biomass into biofuel called?

• Combustion

• Fermentation

• Distillation

• Cracking

What are the challenges in producing biofuels on a large scale?

• Low production costs, abundant feedstock availability, no competition with food production, and easy scaling up of production processes.

• Low production costs, limited feedstock availability, no competition with food production, and technical difficulties in scaling up production processes.

• High production costs, limited feedstock availability, competition with food production, and technical difficulties in scaling up production processes.

• High production costs, abundant feedstock availability, no competition with food production, and technical difficulties in scaling up production processes.