Formulations

Formulations

Multiple Choice

which of these statements describes an alkane?

• saturated

• unsaturated

• whole

• impure

Multiple Choice

what physical property is used to separate hydrocarbons?

• melting point

• boiling point

• colour

• viscocity

• flammability

Multiple Select

what are hydrocarbons made of?

• Nitrogen

• Oxygen

• Carbon

• Hydrogen

• Chlorine

Multiple Choice

why are alkenes useful?

• smell good

• very flammable

• join together to make polymers

• highly unreactive

Multiple Choice

spot the IMPURE substance

• gold

• air

• distilled water

• carbon dioxide

Multiple Choice

the more impure the substance....

• the further away from the melting point

• the closer to the melting point

Multiple Select

which of these are formulations?

• medicine

• water

• iron

• steal

• paint

Multiple Select

why do we have different length chains in petrol?

• to make them a liquid for ease of storage

• makes it more expensive

• to increase energy yield from combustion

• longer chains are darker so looks better

• shorter chains smell worse