1
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Very pure hydrogen (99.9%) 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
2
AIEEE 2008
MCQ (Single Correct Answer)
+4
-1
In context with the industrial preparation of hydrogen from water gas (CO + H2), which of the following is the correct statement?
A
CO and H2 are fractionally separated using differences in their densities
B
CO is removed by absorption in aqueous Cu2Cl2 solution
C
H2 is removed through occlusion with Pd
D
CO is oxidised to CO2 with steam in the presence of a catalyst followed by absorption of CO2 in alkali
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following process will produce hard water?
A
Saturation of water with MgCO3
B
Saturation of water with CaSO4
C
Addition of Na2SO4 to water
D
Saturation of water with CaCO3
JEE Main Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET