The various pollutants produced by the burning of petrol are carbon monoxide, unburnt hydrocarbons, some alcohols and acids, and lead compounds. Petrol is a mixture of liquid hydrocarbons. In an engine, it burns very fast. But, the burning does not take place completely. Petrol burns to produce mainly carbon dioxide and water vapour. But, due to its incomplete burning some carbon monoxide, unburnt hydrocarbons, etc., are also produced. Carbon monoxide and other undesirable gases go into the atmosphere and pollute it.
Which of the following air pollutants reduces the oxygen - carrying capacity of blood ? | |||
Right Option : B | |||
View Explanation |
Which of the following is not included in criteria of air pollutants ? | |||
Right Option : A | |||
View Explanation |
Which of the following are correct : (a) The pollutants produced by the burning of petrol are carbon monoxide, unburnt hydrocarbons,etc. (b) Petrol is a mixture of liquid hydrocarbons. (c) Nitrogen dioxide is a poisonous gas. | |||
Right Option : D | |||
View Explanation |
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.
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
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 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.
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.
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
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.
Being a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Abhyas 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.
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.