WorksheetsHydrogen
Total questions: 15
Worksheet time: 8mins
Which of the following is not strong electrolytes
NaCl
SulPhuric Acid
Acetic Acid
None of these
Which of the following is not a weak electrolyte
Accetic Acid
HCl
None of these
Ammonium Hydroxide
Anions migrate and Discharge at the anode
True
False
Why is Granulated Zinc Preferred
It contains an impurity copper
It is pure
It is eatable
It is beautiful to see
Hydrogen is heaviest gas
False
True
Hydrogen is ____ by nature
heavy
Combustile
non combustile
None of these
hydroghen liquifies in ____________ colour
yellow
none
red
blue
Air is ______________ times heavier than hydrogen
14.4
13
13.3
19
hydrogen-oxygen mixture is ____________ mixture
detonating mixture
detective mixture
deteneating mixture
none
it is a process by which hydrogen gas is passed through vegetable oils
catalyst
catalytic hydrogenation
catalystic oxygen
none
oxidatoin is a chemical process that involves addition of hydrogen to a substance or removal of oxygen from a substance
true
false
___________________ is a chemicall process which involves addition of hydrogen
reduction
oxidation
hydrogenation
none
in which type of reaction reduction and oxidation takes place silmuntaneously
redox
rebook
catalytic hydrogenation
none
what is a promoter
it activates the reactoin
it activates the catalyst
it reduces density of hydrogen
none
why is granulated zinc preferred to prepare hydrogen
it contains an impurity called copper
it has no impurity
it has zinc as impurity
none
