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प्रश्न
Name a few major producers of petroleum in the world.
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उत्तर
The main oil-producing areas are the Gulf countries including Saudi Arabia, Iraq, Iran, the USA, Venezuela, Algeria, and Russia.
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संबंधित प्रश्न
Name two energy sources that you would consider to be renewable. Give reasons for your choices.
State any four characteristics of a good source of energy.
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?
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.
Name any four fractions obtained from petroleum which are used as fuels.
State two important uses of natural gas
The aviation fuel which is used in the engines of jet aeroplanes is:
(a) diesel
(b) kerosene
(c) petrol
(d) CNG
Coal cannot be converted into one of the following forms of energy. This is:
(a) coal gas
(b) electricity
(c) oil
(d) charcoal
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
Describe the construction and working of a biogas plant with the help of a labelled diagram.
The major component of biogas is:
(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
What are non-renewable resources of energy? Give two examples of such resources.
Fill in the blank
Solar cells use the power supplied by the ______.
Name two forms of sea energy.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Which of the following is a pair of exhaustible natural resources?
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
