distinguish between renewable and non renewable resources?

Q. what is conventional source and non-convemtional sources of energy ?

Explain the structure and function of biogas plant

name the two elements present in both cng and petroleum 

Explain construction and working of a biogas plant with labeled diagram.

what is the difference between bio-mass and bio-gas

Why are solar cookers covered by a glass plate?

all ores are minerals but all minerals are not ores.justify

what is soda -acid fire extinguisher

explain the working and principle of a hydroelectric powerplant

Advantages and disadvantages of solar energy.???

List 3 advantages and disadvantages of constructing a dam on a river.

what is solar constant? how to calculate it?

why is there a need to harness non conventional sources of energy?????

What are the disadvantages and advantages of nuclear energy

explain the working of a windmill?

What are primary and secondary fuels? To which class of fuel do the following belong: coke, wood, petroleum, LPG?

Explain the main purpose of using plane mirrors in solar cookers

what is geothermal energy

Hydrogen has been used as a rocket fuel. Would you consider it a cleaner fuel than CNG? Why or why not?

 Explain the working of a thermal power plant

What are limitations of tidal & wave energy?

Mark the places in the map where coal petroleum and natural gas are found

name any two elements that are used in fabricating solar cell. plz someone answer

What is the difference between Petroleum and Petrol?

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What is the advantages & disadvantages of charcoal?

What r the environmental consequences of the increasing demand of energy ?

why are thermal power plants set up near coal or oil fields

explain why calcium metal after reactin with water starts floating on its surface. write the chemical reaction for its reaction

How does biogas plant help to reduce the problem of pollution?

 what is the disadvantages of biogas plant ?

what is difference between nuclear fission & nuclear fusion ? give the answer pointwise in a tabular form ?

Q4) what are the advantages and disadvantages of wind energy ?

differentiate between thermal power plant and hydro power plant?

advantages and disadvantages of nuclear energy,

Reuse of material is considered better than "RECYCLING". Why?

Compare and contrast hydroelectricity and biomass as sources of energy. List as many differences as possible.

Can any source of energy be pollution-free? Why or why not?

advantages and disadvantages of solar cooker

which of the following is not ultimately derived from sun's energy

1.geothermal

2.wind

3.nuclear energy

4.biomass energy

Give any 5 advantages and disadvantages of solar cooker

What are the environmental consequences of the increasing element for energy? What steps would

Describe how hydroenergy can be converted into electrical energy. write any 2 limitations of hydroenergy.

Why is biogas considered an ideal fuel for domestic use?

what is the principle working windmill ?

What are the uses of solar energy

how to make a simple working model of a solar cooker

write a short note on tidal energy