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വാതകങ്ങൾ
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What is main constituent of coal gas ?
A
Oxygen
B
Water
C
Nitrogen
D
Methane
Answer:
D. Methane
Related Questions:
താഴെ പറയുന്നവയിൽ ഏതാണ് ചൂടാക്കുമ്പോൾ കാർബൺഡയോക്സൈഡ് നൽകുന്നത് ?
The major gases in atmosphere are :
Watergas = -------------- + Hydrogen
Amount of Oxygen in the atmosphere ?
Which gas is known as Laughing Gas?