Hydrocarbon

Compounds made only of carbon and hydrogen atoms are called ______________.

• hydrocarbons

• hydrogencarbonates

• carbohydrates

Tags

NGSS.MS-PS1-1

The boiling point of hydrocarbons . . .

• increases with increasing molecular size.

• decreases with increasing molecular size.

• is not affected by molecular size.

Tags

NGSS.MS-PS1-2

The flammability of hydrocarbons depends on the size of their molecules. What is flammability?

• a measure of how difficult it is for a substance to flow

• a measure of how easy it is to ignite and burn

• a substance the temperature at which a substance rapidly changes state from a liquid to a gas

Tags

NGSS.MS-PS1-2

Crude oil is a mixture of a very large number of compounds. Most of the compounds in crude oil are hydrocarbons. What is a hydrocarbon?

• a compound that contains only hydrogen and carbon atoms

• a compound that contains hydrogen, carbon and other elements

• a compound with a carbon backbone

Tags

NGSS.MS-PS1-1

Which of the following is a use of hydrocarbons?

• As a food additive

• In the production of plastics

• As a buffering agent in pharmaceuticals

• As a primary ingredient in glass manufacturing

What is the main type of reaction undergone by alkanes?

• Addition

• Substitution

• Elimination

• Condensation

What is the process called when a large alkane is broken down into smaller alkanes and alkenes?

• Polymerization

• Hydrogenation

• Cracking

• Halogenation

Tags

NGSS.MS-PS1-5

What is the general formula for alkanes?

Where is crude oil found?

• between layers of impermeable rock

• as seams of rock

• in the atmosphere

Tags

NGSS.MS-ESS3-1

Where in the fractionating column do the hydrocarbons with the highest boiling points condense?

• at the top of the fractionating column

• in the middle of the fractionating column

• at the bottom of the fractionating column

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4