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1. Georg stahl was a?

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2. Oxygen was discovered by?

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3. Oxygen was discovered in?

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4. Apart from being a chemist, Joseph Priestley was?

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5. Antoine Lavoisier was a?

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6. The word 'oxygen' was coined by?

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7. In Greek, azote means?

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8. When something reacyts in air, it combines with oxygen and the process is called ........?

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9. When we breathe, oxygen combines chemically with glucose in the body to create?

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10.The two major components of air are oxygen and ?

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11. The French chemist who showed that air was the same all around the world was?

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12.William Ramsay was a?

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13.William Ramsay discovered that air also contained tiny traces of?

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14.The gases which are slow to react with other chemicals are called?

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15. The air surrounding the earth is forever on the move because of?

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16.A space with nothing in it is called?

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17. For the first time, Evangelista Torricelli demonstrated the effect of?

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18.Evangelista Torricelli was a pupil of?

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19.Air pressure is related to density of air. This was discovered by ........ in 1662 AD.?

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20.Boyle's discovery laid the basis which led to the discovery of?

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