The percentage of nitrogen in air by weight is around

Related MCQs

• The percentage of nitrogen in air by weight is around
• The percentage of krypton in atmospheric air is around
• The percentage of carbondioxide in atmospheric air is nearly
• Which of the following constituent of air has the least percentage?
• Which of the following constituent of air has the least percentage?
• The emission of oxides of nitrogen in automobile exhaust will be least when the vehicle is
• The emission of oxides of nitrogen in automobile exhaust will be least when the vehicle is
• The speed of sound through human body is around
• Out of the following metals the least permissible percentage in drinking water is
• The average percentage of carbon and hydrogen in petrol may be roughly given as