WorksheetsOrganic
Total questions: 23
Worksheet time: 15mins
A hydrocarbon contains...
hydrogen and oxygen
hydrogen, carbon and oxygen
hydrogen and carbon
carbon only
There are __________ organic compounds known to scientists.
9 million
9000
900
90
9
The simplest organic compounds are the hydrocarbons. Hydrocarbons are made of ____________.
Carbon and hydrogen only
Carbon, oxygen and hydrogen
Carbon, nitrogen, oxygen and hydrogen
Carbon and nitrogen only
Alkynes are hydrocarbons with at least one___________.
double bond
single bond
triple bond
quadruple
How many bonds can each carbon atom form?
1
2
3
4
All organic compounds must have this element:
Carbon
Oxygen
Potassium
Hydrogen
During the distillation of crude oil, petroleum compounds are separated according to the difference in their _______________.
boiling point
density
unsaturation
mass
Which fossil fuel is made of 6% sulfur and is the dirtiest to burn?
natural gas
coal
gasoline
heating oil
How many carbon atoms are in propane?
1
2
3
4
A fossil fuel with 80 carbons must be a:
a) gas
b) liquid
c) solid
Name this compound.
propene
butane
methyne
ethyne
Which hydrocarbon is a liquid at room conditions?
C2H6
C4H10
C16H34
C18H28
Which of these substances is synthetic?
sugar
plastic
kerosene
RNA
Carbon compounds can form:
branched compounds
straight compounds
ring structures
all of the above
Benzene is NOT:
made up of 6 carbons
a ring structure
made with alternating double bonds
safe to drink
