What is it about coal that can make it a contributing factor to acid rain?

• If the coal is burned at a high temperature, acid rain could form.

• If the coal contains too much hydrogen, acid rain could occur.

• If the coal isn't mined correctly, it could cause acid rain when burned.

• If the coal contains too much nitrogen or sulfur, acid rain could occur.

What is the general formula of the alkenes?

• CnH2n+1

• C_nH_2n+2

• C_nH_2n

• CnH2n+1OH

What type of hydrocarbon is saturated?

• Alkane

• Alkene

• Alkyne

• Aromatic

What is a hydrocarbon?

• A compound composed of carbon and water

• A compound composed of carbon and hydrogen

• A compound composed of carbon and oxygen

• A compound composed of carbon and nitrogen

Which of the following hydrocarbons contains only single bonds?

• Alkanes

• Alkenes

• Alkynes

Name this molecule:

• methane

• ethane

• propane

• butane

Name this member of alkene

• Butyne

• Ethane

• Propane

• Propene

What chemical reaction is this?

• Photosynthesis

• Cellular respiration

• Enzyme production

• Vitamin synthesis

What is the name of the organic molecule in the picture?

• hexane

• heptane

• heptene

• heptyne

What type of hydrocarbon has the general formula CnH2n-2?

• Alkane

• Alkene

• Alkyne

• Aromatic