laboratory preparation of gas

TO PREPARE HYDROGEN GAS IN LABORATORY

MATERIAL REQUIRED Wolff Bottle, thistle funnel and delivery tube fitted with cork, pneumatic trough, beehive shelf, gas jar, Dilute Sulphuric acid or Hydrochloric acid THEORY Hydrogen is a reactive element and thus does not occur much in the free state. It is found in volcanic gases and natural gases in trace amount but it occurs […]

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TO PREPARE OXYGEN GAS IN LABORATORY

MATERIAL REQUIRED Conical flask, thistle funnel and delivery tube fitted with cork, pneumatic trough, beehive shelf, gas jar, hydrogen peroxide, manganese dioxide THEORY Oxygen is an abundantly occurring element on the earth. It constitutes about 49% in the form of various oxides of the earth’s crust. It is occurred in a free state as well

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