Fuels
Fuels
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. |
Which substance give heat and light after combustion ? | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following is boiling range of diesel oil? | |||
| Right Option : A | |||
| View Explanation | |||
Which of these is not a non- renewable energy resource ? | |||
| Right Option : D | |||
| View Explanation |
Students / Parents Reviews [10]
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.
Shivam Rana
7thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thOne 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.
Aman Kumar Shrivastava
10thAbhyas 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.
Manish Kumar
10thI 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
Yatharthi Sharma
10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thMy 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.
Ayan Ghosh
8thA 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.
Archit Segal
7thAbout 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.
