The gas that usually causes explosions in coal mines is
1 Hydrogen
2 Carbon monoxide
3 Air
4 Methane
Answer Posted / rajesh
ch4
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
What is one light year?
What are luminous irregular nebulae?
where is the indragandhi furnal in delhi, who is bulit in krishna sagar dam
Describe the evolution of science and its impact on society
Who is the second female cosmonaut?
What are cosmic rays?
any one who has interviewed at noida for SBI clerk i have my interview call on 23.10.2008
Names of some plants and trees that sleep during the day
What is the capacity of arihant’s atomic reactor?
Science is both a process and product-Substantiate
Which are the research centres of department of atomic energy?
name all the density all cloth,metals,materials?
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
When was the first american rocket launched?
Which are the units of functioning in vssc?