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प्रश्न
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
पर्याय
True
False
उत्तर
True
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संबंधित प्रश्न
"The ignition temperature of a fuel is 80°C". What does this mean?
State any four characteristics of a good source of energy.
Classify the following
Coal, Wind, Tides, Petroleum,Wood, Natural gas
What is the basis of above classification?
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.
What is the composition of liquefied petroleum gas (LPG)?
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
What are fossil fuels? Give three examples of fossil fuels.
Describe how fossil fuels were formed.
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Give an account of the use of solar energy.
Can you tell?
What is ‘green energy’?
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Which part of the solar cooker is responsible for greenhouse effect?
Choose the odd one:
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
Sunlight and air are inexhaustible natural resources. Comment.
