Sol-Gel Method and Chemical Reduction Method Online Exam Quiz
Sol-Gel Method and Chemical Reduction Method GK Quiz. Question and Answers related to Sol-Gel Method and Chemical Reduction Method. MCQ (Multiple Choice Questions with answers about Sol-Gel Method and Chemical Reduction Method
___ are used as rocket propellants in olden days.
Options
A : solid fuels
B : liquid fuels
C : petroleum
D : gaseous fuels
__ undergo hydrolysis and poly condensation reactions.
Options
A : Metal ions
B : Metal carbonates
C : Metal nitrates
D : Metal oxides
After drying process the liquid phase is removed from the gel and ___ is performed.
Options
A : Calcination
B : De-oxygenation
C : Oxygenation
D : Hydrogenation
For the generation of electricity, which source is used largely throughout the world?
Options
A : coal
B : hydro power
C : wood
D : solar energy
Formation of an inorganic continuous network containing the metal centres with ___
Options
A : Azo
B : Oxo
C : Nitro
D : Hydro
Metal nano particles particularly ___ nano particles are prepared by the chemical reduction method.
Options
A : Silver
B : Gold
C : Platinum
D : Tungsten
Most available form of solid fuel is ___
Options
A : coal
B : wood
C : petrol
D : lignite
One of the advantages of sol-gel method is able to get uniform and ___ powder.
Options
A : Micro size
B : Large size
C : Nano size
D : Small size
One of the advantages of solid fuel is ___
Options
A : low calorific value
B : requirement of excess air
C : ash formation
D : ease of transport
One of the disadvantages of solid fuel is ___
Options
A : clinker formation
B : moderate ignition temperature
C : storage
D : transportation
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