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प्रश्न
What is the main difference between renewable and non-renewable energy resources?
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उत्तर
Renewable Resources
- These are those resources that can be renewed in a short time.
- These do not cause any pollution to the environment.
- These are the free gifts of nature.
- Air, water, and solar energy are examples of renewable resources.
Non-Renewable Resources
- These are those resources that cannot be renewed in a short time.
- These cause pollution to the environment.
- These are not free gifts of nature.
- Coal, Petroleum, and some minerals are examples of non-renewable resources.
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संबंधित प्रश्न
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
The calorific values of three fuels A, B and C are 33 kJ/g, 48 kJ/g and 150 kJ/g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
Name the substance X.
Name the constituents of biogas.
Name the biomass which is still widely used as a source of heat energy in many household of our country.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
The non-renewable source of energy among the following is:
(a) hydroelectricity
(b) sewage gas
(c) natural gas
(d) gobar gas
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
Fill in the blank
__________ are examples of renewable energy resources.
Fill in the blank
Coal, petroleum, and natural gas are _________fuels.
Who is the odd one out?
State the main difference between the renewable and non-renewable sources of energy.
Higher Order Thinking Skill (HOT)
What are the objectives for replacing non-conventional energy resources from conventional energy resources?
What is non-renewable resources?
Choose the incorrect statement regarding wind power
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
Coal is one of the ______ used to cook food.
Fill in the blanks and complete the story.
About 300 million years ago, the earth had dense ______ in low lying wetland areas. Due to natural processes like ______, these forests got buried under the ______. As more ______ deposited over them, they were compressed. The ______ also rose as they sank deeper and deeper. Under high ______ and high ______, dead plants got slowly converted into coal.
