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प्रश्न
Multiple Choice Question
Water gas is a mixture of
विकल्प
carbon monoxide and oxygen
carbon monoxide and hydrogen
hydrogen and oxygen
hydrogen and nitrogen.
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उत्तर
carbon monoxide and hydrogen
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संबंधित प्रश्न
Give reason for the following:
Though hydrogen is lighter than air it cannot be collected by downward displacement of air.
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Complete and balance the following reaction.
Zn + HCl →_____________ +___________
Correct the following statement:
Hydrogen is separated from CO by passing the mixture through caustic potash solution.
State how hydrogen occurs in the free state. Name three compounds containing hydrogen in the combined state.
Starting from hydrogen gas how would you obtain a basic gas.
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
