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10
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The process by which hydrogen gas is collected
Downward displacement of water
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10
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We cannot use dil HNO3 in the above process. State True or False
True
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10
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Name the industrial method of production of Hydrogen gas
BOSCH process
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10
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Identify the apparatus âAâ and name the substance added through it.
thistle funnel and Dil HCl or Dil Sulphuric acid
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10
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Name the substance âCâ.
Zinc Granules
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10
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State any one precaution to be take while collecting hydrogen gas.
Apparatus should be air tight or lower end of the thistle funnel must dip in acid
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10
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Give the balanced chemical equation for the laboratory preparation of hydrogen.
Zn + dil 2HCl ï ZnCl2 + H2 or Zn + dil H2SO4 ï ZnSO4 + H2
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seesaw
Swap points!
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magnet
Take 15 points!
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shark
Other team loses 15 points!
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baam
Lose 5 points!
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10
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trap
No points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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