Select Board & Class
what is the purest form of carbon?
why is petroleum called black gold????
WHY ARE FOSSIL FUELS OUR MOST IMPORTANT SOURCE OF ENERGY TODAY?
explain what global warming is?
what are the different constituents of petroleum?also write down their uses.
Conservation of resources means avoiding their wasteful use. Does this definition cover all aspects of conservation ? Explain.
why is hydrogen not used as a domestic fuel even though it has the highest calorific value ?
why is the coal ,petroleum and natural gas called fossil fuel?
why is natural gas called a clean fuel?
Q1.Why are coal and petroleum called as fossil fuels? Why is it important to conserve them?
Q2.Why is petroleum called as black gold?
Q3.Expand PCRA. What tips does it provide to save petrol and diesel?
Q4.State the uses of:
a)Coke b)Coal tar c)Coal gas d)Bitumen e)CNG.
Q5.What are the advantages of using CNG? ANSWER NEEDED EMERGENCY
NIRAV DONOT GIVE ANSWER
why phosphorus is stored in water
What is destructive distillation of coal?
what are biotic and abiotic resources?
find out the location of major thermal power plants in india. what could be reason for there being located at those place? plasssssssssss
why is bitumen used for road surfacing whereas not coal tar?
what is the main difference?
what are the ways to conserve natural resources?
Why should we not sleep on a closed room with a coal fire burning in it?
What are the conditions necessary for the formation of petroleum from dead organisms?
Low temperature, low pressure and absence of air
Low temperature, low pressure and presence of air
High temperature, high pressure and absence of air
High temperature, high pressure and presence of air
What is fractional distillation of petroleum? arrange the products formed with the help of a diagram and give uses of any 3 products
name the places where oil refineries are located in india.
why is conservation of fossil fuel essential?
What is the full form of PCRA
what is the difference between fractional distillation and destructive distillation?
Advantages of Judicious use of energy
name the states of india where coal mines are located.
what is distillation and explain its types
fossil fuel is a boon or curse ? discuss
how much percentage of carbon does coke have?
EXPLAIN WHY FOSSIL FUELS ARE EXHAUSTIBLE NATURAL RESOURCES
may i please get the difference between exhaustible and inexhaustible resource
Is water exhaustible or inexhaustible? If it is inexhaustible why we should conserve it? Why we are not conserving sunlight?
why are air,water and soil called natural resource?
Name and list the uses of atleast 10 petrochemical
why it is given that coal is bad conductor of electricity.It contains carbon and pencil lead is graphite which is also carbon then " WHY IS COALBAD CONDUCTOR OF ELECTRICITY "
misuse of fuels and their consequences
what is the impact of using excess of fossil fuel?
All renewable resources are inexhaustible. Do you agree ? Give reasons.
_____is used as a solvent for dry cleaning.
what is the difference between coal tar ,bitumen & bituminous coal
name the areas in india where petroleum is found in large quantities.
THE WAYS TO CONSERVE COAL & PETROLEUM - 10 WAYS.
what is the main purpose of petroleum refining?
What is Carbonisation?
name any four important products of petroleum and give their uses?
1.write balanced equation for the following
a] burning of coal in sufficient supply of air
b] burning of coal in insufficient supply of air
Name the type of reaction in both the cases and give reason why the
what is energy
IN A PETROLEUM WELL, CRUDE OIL IS FOUND ABOVE WATER . WHICH TWO PROPERTIES OF PETROLEUM MAKE IT POSSIBLE TO FORM A LAYER OF IT ABOVE WATER ?
1)Coke is a better fuel than coal.
what is destructive distillation???
name the products obtained when coal is heated in the absence of air .
write any two uses of its products
What is the process of dry cleaning by petrol is thre any machine used?
a person sleeping in a closed room with burning coal feels suffocated after some time? why?
WHAT ARE THE CONSTITUENTS OF PETROL AND DESIEL
Wats the difference between fractional distillation and refining in petroleum industry???
What are the advantages of using CNG and LPG as fuels?
What is the difference between biogas and biomass?
five difference between coal & LPG ??
the process of formation of petroleum.
Can coal, petroleum and natural gas be prepared in the laboratory from dead organism..????
The Fossil FUel P is formed under the earth by the decomposition of vegetable matter lying under water by the action of anaerobic bacteria.The major component of fuel P is Q.the fossil fuel P is used as a source of gas R needed to manufacture fertilisers.When P is filled in metal cylinders and used as a fuel in motor vehicles,it is called S.what are P,Q,R,S?
what is the uses of coal
1.state the difference between complete and incomplete combustion
2. explain what is meant by renewable and non renewable rsources with examples
3. what is meant by destructive distillation of coal.Mention the useage of various products of distructive distillation.
4.classify coal on the basis of carbon content and moisture content
5.Name 2 elements present in fossil fuels
pls experts need answers n urgent
Difference Between n-butane,neo butane And Isobutane
They Are Form Of Same Substance Or Hydrocarbon Butane
Describe the mineral resources ( fuel ) in Jammu and Kashmir .plz answer fast experts
it is urgent.!!!!!!!
what is the difference between coal and petroleum ?
i am unable to understand about destructive distillation of coal .
can any oone explain me in detail?
Kerosene is not a fossil fuel why
can we make coal and petroleum in the laboratory from dead organisms.
how is CNG obtained ? what are its main uses?
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