The gas that usually causes explosions in coal mines is
1 Hydrogen
2 Carbon monoxide
3 Air
4 Methane
- 8 Answers
- 12434 Views
- BCECE, UPSC, I also Faced
- E-Mail Answers
Answer Posted / akash
4.methane
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
Science is both a process and product-Substantiate
what is CAPITA in accounts?
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
if appointed at aryabhatt school for how long should we expect you work with us
The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain
What is one light hour?
hai am ashok am studying degree 1st year.i want to write group 1 exams how i am started my preparation.which meterial is best for exam.what are the subjects have it.how much time can i spend to study dialy to get it in first attempt.how much money we need.for this exam degree qualification must to need .NCC c-certificate how use for this exam. what is the best coaching centre in hyd near to khairathabad.plz tell me
In which year the solar observatory in kodikanal founded?
In modern science, what is 'fourth dimension'?
What are cosmic rays?
When a person sends a message to someone with the Internet, there are steps that happen to the recipient to receive the message. How does the recipient know that the message was not edited by someone else?
Which scientist made detailed study on novae?
What was the code name given to the first explosion?
List out the General Objectives of teaching Physical science at Primary stages.
NO OF PLANT IN ONGC
