ACS AU SC Chemistry Knowledge Test

What happens to the boiling point and flammability of hydrocarbons as the length of the molecules increases?

• Longer hydrocarbons have lower boiling points and are less flammable

• Longer hydrocarbons have higher boiling points and are more flammable

• Longer hydrocarbons have lower boiling points and are more flammable

• Longer hydrocarbons have higher boiling points and are less flammable

What happens to carbon and hydrogen during combustion reactions?

• They are reduced

• They are oxidised

• They are cracked

• They are distilled

Which of the Following is not organic compounds

• Borazene

• Napthlene

• Benzene

• Anthracene

The group made up of alcohols and acids

• carbocilic acids

• ethers

• esters

• alkynes

Type of hybridization of electron clouds of carbon atoms in alkanes

• sp

• sp2

• sp3

• s-s and p-p

The reaction of obtaining rubbers

• hydrogenation

• polymerization

• isomerization

• polycondensation

Stannum's chemical symbol

• As

• St

• Ti

• Sn

Cations that ends with -ious has lesser charge than its equivalent Cation that ends with -ic

• True

• False

• Partly true

• Has no sense at all

Set of numbers used to describe electrons

• Natural Numbers

• Quantum Numbers

• Whole Numbers

• Infinite Numbers

Example of chemical property:

• Color

• Density

• Melting Point

• Flammability