The gas that usually causes explosions in coal mines is
1 Hydrogen
2 Carbon monoxide
3 Air
4 Methane
Answers were Sorted based on User's Feedback
Answer / surendra
its Hydrogen that combusts and cause explosion
| Is This Answer Correct ? | 1 Yes | 2 No |
What is the percent of plazma in blood?
first aid to person affected with electrical shock
In an atomic explosion, enormous energy is released which is due to the 1 Conversion of neutrons into protons 2 Conversion of chemical energy into nuclear energy 3 Conversion of mass into energy 4 None of these
Who developed primary blue print programme?
define cartography?
Write two characteristics of Science.
0 Answers Mahatma Gandhi University,
The recent atomic weight scale is based on 1 1H1 2 1H2 3 6C12 4 8O16
Which one is having more weight when compare to diesel to petrole?
why is it important that sex cells have half the number of Chromosomes as body cells?
When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these
Label the following types of erosion in order by their ability to transport materials. Wind erosion, water erosion, glacial erosion, plant/animal erosion.
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon