Fuels: Substances that produce heat and light energy on burning are called fuels e.g. wood, coal kerosene LPG and petrol. Fuel is a source of energy and to obtain this heat energy, we have to burn the fuel. This burning is called oxidation. On the basis of physical state, fuels can be classified as solid liquid and gaseous.
Liquid and gaseous fuels are preferred for domestic purposes like kerosene oil. Care should be taken so that complete combustion takes place. Incomplete combustion results in wastage of fuel and atmospheric pollution.
Biogas | Natural Gas |
Organic waste such as dead plants and animals material, animal dung and kitchen waste are converted into gaseous fuel is called biogas. It primarily consists of methane and carbon dioxide. | Natural gas is found in petroleum deposits and is released and released when crude oil is brought to the surface. The largest component of natural gas is methane. |
Biogas is an excellent fuel for cooking and lightning and produces organic matter. | It can be used as industrial and domestic fuel |
It is non conventional source | It is conventional source. |
Petrol and diesel are obtained from a natural resources called ____________________ | |||
Right Option : B | |||
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Which of the following is boiling range of diesel oil? | |||
Right Option : A | |||
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We can use coke ____________________ | |||
Right Option : B | |||
View Explanation |
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
A marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
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I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.