Formative quiz 2: Chemical reactions and cars

Which fuel type produces zero emissions during operation?

• Gasoline

• Diesel

• Natural Gas

• Electricity

What type of chemical reaction occurs when gasoline burns in an engine, releasing energy?

• Synthesis

• Combustion

• Decomposition

• Double Replacement

In hydrogen fuel cells, which reaction combines hydrogen and oxygen to produce water and generate electricity?

• Single Replacement

• Decomposition

• Synthesis

• Double Replacement

Why is accurate mass measurement important in fuel combustion?

• It ensures proper fuel-to-air ratios for efficient combustion.

• It increases the amount of fuel available for combustion.

• It allows vehicles to generate more exhaust gases.

• It eliminates the need for catalytic converters.

What is the primary environmental advantage of natural gas (CNG/LNG) compared to gasoline and diesel?

• It is more widely available.

• It produces fewer emissions.

• It is made from renewable sources like corn and sugarcane.

• It does not require an engine to function.