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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ८

The term petroleum means ________ - Science

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प्रश्न

The term petroleum means ________

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उत्तर

The term petroleum means Rock oil.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Chemistry in Everyday Life - Exercises [पृष्ठ १७९]

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सामाचीर कलवी Science [English] Class 8 TN Board
पाठ 15 Chemistry in Everyday Life
Exercises | Q II. 3. | पृष्ठ १७९

संबंधित प्रश्‍न

Name the petroleum product used for surfacing of roads.


Which fossil fuel is conserved when we save on electricity?


Which fossil fuel is conserved when we use bicycle for covering short distances instead of a motorbike?


Although coal and petroleum are produced by the degradation of biomass, even then we need to conserve them. Why?


Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas


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?


List the products of combustion of fossil fuels. What are their adverse effects on the environment?


Write two disadvantages of burning fossil fuels.


What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.


Petroleum was formed from organisms


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