Select Board & Class
what is the purest form of carbon?
why is petroleum called black gold????
explain what global warming is?
what are the different constituents of petroleum?also write down their uses.
what is the impact of using excess of fossil fuel?
why is hydrogen not used as a domestic fuel even though it has the highest calorific value ?
Petroleum occurs deep inside the earth floating over water. Which 2 properties of petroleum makes it possible to form a separate layer over water?
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
Why should we not sleep on a closed room with a coal fire burning in it?
What is destructive distillation of coal?
WHY ARE FOSSIL FUELS OUR MOST IMPORTANT SOURCE OF ENERGY TODAY?
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
water should not be thrown over a fire caused by petrol?
what are the ways to conserve natural resources?
In the depsits, why is the layer containing petroleum oil and gas above that of water?
What is fractional distillation of petroleum? arrange the products formed with the help of a diagram and give uses of any 3 products
list five things that you can do to help preventing an energy crisis?
name the places where oil refineries are located in india.
What is the full form of PCRA
what is the difference between fractional distillation and destructive distillation?
why is bitumen used for road surfacing whereas not coal tar?
what is the main difference?
name the states of india where coal mines are located.
what is distillation and explain its types
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
fossil fuel is a boon or curse ? discuss
EXPLAIN WHY FOSSIL FUELS ARE EXHAUSTIBLE NATURAL RESOURCES
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 ?
may i please get the difference between exhaustible and inexhaustible resource
Name and list the uses of atleast 10 petrochemical
can coal , petroleum and natural gas be prepared in the laboratory from dead organisms ??
misuse of fuels and their consequences
What is Carbonisation?
All renewable resources are inexhaustible. Do you agree ? Give reasons.
what is the difference between coal tar ,bitumen & bituminous coal
why is the coal ,petroleum and natural gas called fossil fuel?
name the areas in india where petroleum is found in large quantities.
THE WAYS TO CONSERVE COAL & PETROLEUM - 10 WAYS.
how much percentage of carbon does coke have?
what is the main purpose of petroleum refining?
Wats the difference between fractional distillation and refining in petroleum industry???
Is water exhaustible or inexhaustible? If it is inexhaustible why we should conserve it? Why we are not conserving sunlight?
Conservation of resources means avoiding their wasteful use. Does this definition cover all aspects of conservation ? Explain.
what is the uses of coal
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 destructive distillation???
_____is used as a solvent for dry cleaning.
What is the process of dry cleaning by petrol is thre any machine used?
why is conservation of fossil fuel essential?
WHAT ARE THE CONSTITUENTS OF PETROL AND DESIEL
why are air,water and soil called natural resource?
What are the advantages of using CNG and LPG as fuels?
What is the difference between biogas and biomass?
Which is the purest form of PETROL
the process of formation of petroleum.
Can coal, petroleum and natural gas be prepared in the laboratory from dead organism..????
how is CNG obtained ? what are its main uses?
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
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?
Difference Between n-butane,neo butane And Isobutane
They Are Form Of Same Substance Or Hydrocarbon Butane
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.
What is meant by the Anaerobic Thermal Degradation of Wood ? Where does this process occur?
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