हिंदी

Write an answer to the following question in your own words. Make a list of the components we obtain from mineral oil.

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प्रश्न

Write an answer to the following question in your own words.

Make a list of the components we obtain from mineral oil.

लघु उत्तरीय
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उत्तर

Components that can be obtained from mineral oil are:

  • petroleum
  • aviation petrol
  • gasoline
  • diesel
  • kerosene
  • naptha
  • lubricating oil
  • tar
  • also used in the production of dyes, pesticides, etc.
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अध्याय 16: Natural Resources - Exercise [पृष्ठ ११२]

APPEARS IN

बालभारती General Science [English] Standard 7 Maharashtra State Board
अध्याय 16 Natural Resources
Exercise | Q 2.2 | पृष्ठ ११२
बालभारती General Science Integrated [English] Standard 7 Maharashtra State Board
अध्याय 16 Natural Resources
Exercise | Q 2. (b) | पृष्ठ ६०

संबंधित प्रश्न

Name the petroleum product used for surfacing of roads.


Process of separation of different constituents from petroleum is called ______.


Which fossil fuel is conserved when we save on electricity?


Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum


What are the main uses of coal and petroleum products?


State any five steps to reduce the consumption of coal and petroleum products.


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?


A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. This device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device?
(c) What is the name of the process which traps energy in this device?
(d) State one advantage (other than saving on fuel) or using such a device for cooking food.


Give reason for the following:

Petroleum is considered a harmful source of energy.


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