Hydrogen

Chemistry
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Very pure hydrogen can be made by which of the following processes?

A
Reaction of methane with steam
B
Mixing natural hydrocarbons of high molecular weight
C
Electrolysis of water
D
Reaction of salt like hydrides with water
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In context with the industrial preparation of hydrogen from water gas , which of the following is the correct statement?

A
is removed through occlusion with Pd
B
is oxidised to with steam in the presence of a catalyst followed by absorption of in alkali
C
and are fractionally separated using differences in their densities
D
is removed by absorption in aqueous solution
Medium
JEE Mains
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The hydride that is not electron deficent is:

A
B
C
D
Medium
JEE Mains
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