WorksheetsCoal
Total questions: 20
Worksheet time: 11mins
What do fuels combine with to produce heat and light?
Carbon dioxide
Carbon monoxide
Hydrogen
Oxygen
By which of the given processes is coal formed?
Carbonisation
Distillation
Vapourisation
Evaporation
Which of the forms of coal has highest percentage of carbon?
Anthracite
Bituminous
Peat
Lignite
Which of the following properties is NOT a characteristic of a good fuel?
High Ignition temperature
Low cost
Causes minimum pollution
Readily available
How is coke superior than coal as a fuel?
Coal is mineral and burns releasing smoke while coke is a residue
Coal is an impure form of carbon, while coke is a pure form of carbon
Only coal consists of atoms of carbon, hydrogen , oxygen and sulphur while coke mainly consists of carbon
All of the above
Heat and _____________ transformed living things into fossil fuels.
pressure
air
gas
water
Fossil fuels are a _______________________.
renewable resource
unknown resource
nonrenewable resource
new resource
Which of these are inexhaustible natural resources
Sunlight
Coal
Wildlife
Forest/ Minerals
Which one is not a coal product?
Coal tar
Coal gas
Lime
Coke
Which is the second best variety of coal which has around 60% carbon content?
Anthracite
Bitumious
Lignite
Peat
By what method can we obtain many products from coal?
Fractional Distillation
Destructive Distillation
Both
None
A good reducing agent and a bad conductor of heat and electricity.
Diamond
Coke
Charcoal
All of the above
The coal product which is used for extracting metals
Coal gas
Coke
Coal Tar
Bitumen
The purest amorphous form of carbon is
Graphite
Coal
Coke
Diamond
Which one is not a free state of carbon?
Coke
Charcoal
Petrol
Graphite
Different varieties of coal differ in their
moisture
volatile nature
carbon content
number of hydrogen atoms
The percent of carbon present in bituminous and anthracite are
65, 96
96, 65
65, 35
96, 35
___________ is the residue left after destructive distillation of coal.
peat
lignite
bituminous
coke
