Explore topic-wise MCQs in Applied Chemistry.

This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Metal nano particles particularly _____________ nano particles are prepared by the chemical reduction method.

A. Silver
B. Gold
C. Platinum
D. Tungsten
Answer» B. Gold
Discussion
2.

Sol-gel method can produce __________ systems.

A. Uniform multi component
B. Non uniform multi component
C. Multi component
D. Non uniform multi component
Answer» B. Non uniform multi component
Discussion
3.

One of the advantages of sol-gel method is able to get uniform and _________ powder.

A. Micro size
B. Large size
C. Nano size
D. Small size
Answer» E.
Discussion
4.

After drying process the liquid phase is removed from the gel and ___________ is performed.

A. Calcination
B. De-oxygenation
C. Oxygenation
D. Hydrogenation
Answer» B. De-oxygenation
Discussion
5.

Formation of an inorganic continuous network containing the metal centres with _________

A. Azo
B. Oxo
C. Nitro
D. Hydro
Answer» C. Nitro
Discussion
6.

AFTER_DRYING_PROCESS_THE_LIQUID_PHASE_IS_REMOVED_FROM_THE_GEL_AND_____________IS_PERFORMED.?$

A. Calcination
B. De-oxygenation
C. Oxygenation
D. Hydrogenation
Answer» B. De-oxygenation
Discussion
7.

Sol-gel method can produce __________ systems.
A. Uniform multi component
B. Non uniform multi component
C. Multi component
D. Non uniform multi component
Answer» B. Non uniform multi component
Discussion
8.

One  of the advantages of  sol-gel method is able to get uniform and___________powder. 
A. Micro size
B. Large size
C. Nano size
D. Small size
Answer» E.
Discussion
9.

The transparent colourless solution solution is changed into pale yellow from ___________ in chemical reduction method.

A. pale blue
B. Purple
C. Pale red
D. Dark brown
Answer» D. Dark brown
Discussion
10.

To remove the excess silver ions the solution is washed with _________ under nitrogen stream.

A. Heavy water
B. Mineral water
C. Deioniser water
D. Impure water
Answer» D. Impure water
Discussion
11.

The ___________ and citrate solution are used as reducing agents in chemical reduction method.

A. Hydrazine hydrate
B. Hydrazine
C. Hydrazone
D. Semi carbazene
Answer» B. Hydrazine
Discussion
12.

Metal_nano_particles_particularly_______________nano_particles_are_prepared_by_the_chemical_reduction_method.

A. Silver
B. Gold
C. Platinum
D. Tungsten
Answer» B. Gold
Discussion
13.

Formation of an inorganic continuous network containing the metal centres with ________?

A. Azo
B. Oxo
C. Nitro
D. Hydro
Answer» C. Nitro
Discussion
14.

The solvent evolves towards the formation of an inorganic continuous network containing a ___________

A. Gaseous phase
B. Gel
C. Solid phase
D. Semi solid phase
Answer» C. Solid phase
Discussion
15.

__________ undergo hydrolysis and poly condensation reactions.

A. Metal ions
B. Metal carbonates
C. Metal nitrates
D. Metal oxides
Answer» E.
Discussion
16.

Sol-gel method is ________ chemical process.

A. Dry
B. Wet
C. Semi liquid
D. Semi solid
Answer» C. Semi liquid
Discussion
17.

The gel is a ___________ mass.

A. Heavy molecular
B. Semi regid
C. Regid
D. Light molecular
Answer» C. Regid
Discussion
18.

The sol-gel is a __________ of solid particle.

A. Sublimation
B. Melting
C. Colloidal suspension
D. Cool down
Answer» D. Cool down
Discussion
19.

Sol-gel method is known since ____________

A. 1970
B. 1960
C. 1980
D. 1990
Answer» D. 1990
Discussion
20.

Sol-gel method is ________ approach.

A. Bottom up
B. Up bottom
C. Top down
D. Down top
Answer» B. Up bottom
Discussion