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Which one of the following gases, present in the air near the surface of the Earth, has maximum concentrations?

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Which one of the following gases, present in the air near the surface of the Earth, has maximum concentrations? A. Oxygen B. Hydrogen C. Nitrogen D. Methane Check Answer Complaint Here As Incorrect Question / Answer

Related Questions The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as A. stratosphere B. ionosphere C. biosphere D. mesosphere Check Answer Complaint Here As Incorrect Question / Answer If four balloons A,B,C and D are filled with hydrogen , oxygen, helium and nitrogen gases respectively and left in air, which baloon reaches to the highest distance from the Earth? A. Balloon A B. Balloon B C. Balloon C D. Balloon D Check Answer Complaint Here As Incorrect Question / Answer Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the earth? A. The Earth's magnetic field diverts them towards its poles B. Ozone layer around the Earth reflects them back to outer space C. Moisture in the upper layers of atmosphere prevents them from reaching the surface of the earth D. None of the statements (a), (b) and (c) Given above are correct Check Answer Complaint Here As Incorrect Question / Answer Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen Check Answer Complaint Here As Incorrect Question / Answer The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage? A. Carbon dioxide B. Nitrogen C. Oxygen D. Ozone Check Answer Complaint Here As Incorrect Question / Answer

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