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प्रश्न
The term petroleum means ________
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उत्तर
The term petroleum means Rock oil.
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संबंधित प्रश्न
Name a clean gaseous fuel other than LPG and natural gas.
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
Which of the following combination of terms has no fossil fuel?
(a) wind, ocean, coke
(b) kerosene, tide, wind
(c) wood, wind, sun
(d) petrol, wood, sun
There are two important fuels A and B both of which are extracted from deep inside the earth. Fuel A is a thick, dark, foul smelling liquid whereas fuel B is a black solid. Combustion of both the fuels produces products, C, D, E and F. The product C makes the rainwater only slightly acidic but it is mainly responsible for causing global warming. The product D is neither acidic nor basic. It is harmless and does not affect the environment in any way. Both E and F attack breathing system of humans and are mainly responsible for causing acid rain. In addition to combustion of fuels A and B, the product F is also formed when lightning occurs in the sky.
(a) What are (i) fuel A, and (ii) fuel B?
(b) Name (i) C (ii) D (iii) E, and (iv) F
(c) What is the process of formation of F during lightning known as?
(d) Which fuel is supposed to be exhausted sooner : A or B?
(e) Which fuel is mostly used for generating electricity at thermal power plants?
Which of the following is not a constituent of petroleum?
Petroleum was formed from organisms
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
Petroleum, ______ and ______ are fossil fuels.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
Crude oil is used as a sealant for waterproofing various surfaces.
