AIEEE 2012 | Hydrogen Question 74 | Chemistry

AIEEE 2012

MCQ (Single Correct Answer)

-1

Very pure hydrogen (99.9%) can be made by which of the following processes ?

Reaction of methane with steam

Mixing natural hydrocarbons of high molecular weight

Electrolysis of water

Reaction of salt like hydrides with water

AIEEE 2008

MCQ (Single Correct Answer)

-1

In context with the industrial preparation of hydrogen from water gas (CO + H₂), which of the following is the correct statement?

CO and H₂ are fractionally separated using differences in their densities

CO is removed by absorption in aqueous Cu₂Cl₂ solution

H₂ is removed through occlusion with Pd

CO is oxidised to CO₂ with steam in the presence of a catalyst followed by absorption of CO₂ in alkali

AIEEE 2003

MCQ (Single Correct Answer)

-1

Which one of the following process will produce hard water?

Saturation of water with MgCO₃

Saturation of water with CaSO₄

Addition of Na₂SO₄ to water

Saturation of water with CaCO₃

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