hydrocarbons and organic compounds

A hydrocarbon contains...

• hydrogen and oxygen

• hydrogen, carbon and oxygen

• hydrogen and carbon

• carbon only

Tags

NGSS.HS-LS1-6

what gas turns limewater cloudy?

• oxygen

• hydrogen

• carbon dioxide

when a hydrocarbon burns in a plentiful supply of oxygen what are the products?

• carbon dioxide only

• water only

• carbon dioxide and water

• carbon only

What physical property allows Distillation to separate different molecules?

• Melting point

• Boiling point

• Diffusion rate

• Condensation rate

What does the viscosity of a hydrocarbon tell you?

• How easily it flows
• How easily it sets alight
• What its boiling point is
• How long the hydrocarbon is

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

What is the general formula for saturated hydrocarbons?

• C_nH_2n
• C_nH_n+1
• C_nH_2n+1
• C_nH_2n+2

What is a hydrocarbon that contains only single bonds called? 

• organic  
• saturated
• unsaturated
• fully bonded

Tags

NGSS.HS-LS1-6

Unsaturated hydrocarbons contain at least one double or triple bond.

• True
• False

What can you tell about methane (CH₄) from its molecular formula?

• It contains four carbon atoms.

• It contains one hydrogen atom.

• It contains four hydrogen atoms attached to one carbon atom.

• It forms groups of four molecules.