The gas that usually causes explosions in coal mines is
1 Hydrogen
2 Carbon monoxide
3 Air
4 Methane
Answer Posted / shailesh ginoya
4. methane
| Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
Who was the first cosmonaut?
What are cosmic rays?
What is meant by Incidental Correlation?
What is the significance of international geo - physical year?
A team of u.n scientists visited thumba?
What is length and weight of arihant?
In which year, physical laboratory in ahmedabad was founded?
how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'
hai i am koti reddy panta.studying 3rd mca.i failed in my degree. shell i consider those subjects as backlogs
What is light year?
iwant to learn robotics so how can iproceed
Explain the Evolution of Science as a discipline in the Medieval Period
Why the diesel generator suddenly increases the output voltage and avr get shorted ... And also increases the load the generator decreases the voltage why ..and also the output power in amps generated in 30 kv diesel generator ..
When was the first american rocket launched?
I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????