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प्रश्न
What is the main difference between renewable and non-renewable energy resources?
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
Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.
"The calorific value of cooking gas (LPG) is 50 kJ/g". What does it mean?
Name two sources of energy that you think are renewable. Give reason for your choice.
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
The fuel having the lowest calorific value is:
(a) coal
(b) wood
(c) charcoal
(d) kerosene
Write the full forms of CNG and LPG.
What are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?
Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
What are the raw materials used for making biogas?
Which produced of the nuclear fission of uranium-235 is utilised to cause further fission of its nuclei?
Answer the following question.
Write the name of the main constituent of Biogas. Also, state its percentage.
Choose the correct answer.
Windmills have been used for many centuries in
What are fossil fuels?
Can you tell?
What are the non-conventional energy resources?
What is non-renewable resources?
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
Write True/False against the following statement.
Wildlife is an exhaustible natural resource.
