Col1
Which gas is released on heating if coal
Carbon dioxide
Name three fossil fuels
Coal , petroleum and natural gas
Full form of CNG
Compressed natural gas
What are exhaustible resources
Exhaustible resources are the resources which are limited and can be exhausted over a period of time
Full form of LPG
Liquified petroleum gas
Which form of coal is earlier used in street lightening
Coal gas
Name petroleum product used for surfacing of roads ?
Bitumen
Name the Purest form of carbon
Coke
Name the black gold
Petroleum
Which form of coal has a mix of various substances
Coal tar
Name three products of coal and their uses
Coke - manufacturing of steel and extraction of metal
Coal tar - synthetic dyes , drugs , perfumes plastic ,paints etc
Coal gas - fuel in many industries
Where is paraffin wax used ?
Ointments , candles , vaseline
Full form of PCRA
Petroleum Conservation Research Association
Why oil and gas lies above water
Since oil and gas are lighter than water so they doesn't mix with it
Areas in india where natural gas is found?
Tripura, rajasthan, Maharashtra, krishna godaveri delta
Advantages of CNG and LPG
Both causes less pollution and are cleaner fuels
What is Refining of petroleum
Process of seperation of different constituents from petroleum us known as refining of petroleum
Areas in india, where petroleum is found ?
Assam, Gujarat ,mumbai high and river basins of godavari and kaveri
Uses of CNG
Used as fuel for transport vehicles.
Used for power generation
Used for burning in homes and factories
Steps to save exhaustible resources
Reduce
Reuse
Recycle
Explain how coal is formed . Name this process also.
Over 300 million years ago, dense forest and wetlands were there. Due to natural process forests buried under the soil. Due to high temperature and high pressure , dead vegetation converted into coal . This process is known as carbonisation
Name atleast three constituents of petroleum and it's uses
LPG- fuel for home and industry
Petrol- motor fuel, aviation fuel
Kerosene- fuel for stove , lamp and air craft
Diesel - fuel for heavy motor vehicle
Lubricating oil - lubrication
Bitumen- road surfacing
Paraffin wax - candles etc
Some tips save diesel/petrol while driving
Drive at a constant and moderate speed as far as possible
Switch off engine at traffic light or wait .
Ensure correct tyre pressure
Ensure regular maintenance of vehicle
How petroleum us formed
Over million of years as sea plants and animal die , their bodies settle down at bottom.
With time , they get compressed dye to layer of sand and clay deposited over them.
Under high pressure and temperature they get converted into petroleum
What are petrochemicals? Where are they used ?
Petrochemicals are useful substance obtained from petroleum and natural gas. They are used in making if detergents, fibres , polythene and other man made plastics