Explore topic-wise MCQs in Applied Chemistry.

This section includes 18 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.

Identify the non-toxic and green solvent.

A. Liquified carbondioxide
B. Benzene
C. Carbon tetrachloride
D. Toluene
Answer» B. Benzene
2.

Which of the following is a green solvent used for bleaching clothes?

A. Hydrogen peroxide
B. Tetrachloroethene
C. Benzene
D. Toluene
Answer» B. Tetrachloroethene
3.

Replacement of liquid CO2 by halogenated solvent will result in less harm to groundwater.

A. True
B. False
Answer» C.
4.

Which of the following gas was traditionally used to bleach paper?

A. Sulfur
B. Carbon dioxide
C. Chlorine
D. Fluorine
Answer» D. Fluorine
5.

Green chemistry is the design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances. Identify the technique used in this area.

A. Bioamplification
B. Polymer manufacturing
C. Pesticide synthesis
D. Use of sunlight and Microwave-assisted reaction
Answer» E.
6.

Which of the following is not a principle of Green Chemistry?

A. Green solvents and auxiliaries
B. Use of renewable feedstock
C. Hazardous chemical synthesis
D. Design for energy efficiency
Answer» D. Design for energy efficiency
7.

Name the conventional solvent that was used for dry cleaning purposes which later confirmed to be a suspected carcinogen.

A. Supercritical CO2
B. Phenanthrene
C. Tetrachloroethene
D. Benzene aldehyde
Answer» D. Benzene aldehyde
8.

Which of the following is a greener route to produce ethanal commercially?

A. Catalytic cracking of ethanol
B. Oxidation of ethene with an ionic catalyst
C. Steam reforming of methanol
D. Dehydrogenation of ethylene
Answer» C. Steam reforming of methanol
9.

The green synthesis methods should have _______

A. Low efficiency
B. High harmful by products
C. Low energy requirements
D. Low atom efficiency
Answer» D. Low atom efficiency
10.

The di-basic acid is used in its ________

A. Impure form
B. Pure form
C. Solid state
D. Liquid form
Answer» C. Solid state
11.

It reduces the ______ and protects the environment.

A. Pollution
B. Temperature
C. Air
D. Water
Answer» B. Temperature
12.

In green synthetic methods, the high quality product with no ________ are produced.

A. Good products
B. Catalyst
C. Reaction
D. Contamination
Answer» E.
13.

C2H4 +1/2 O2 -> C2H4O(Ethylene oxide). This reaction will takes place under presence of catalyst. Find out the %atom economy.

A. 0.25
B. 0.5
C. 0.75
D. 1
Answer» E.
14.

Self thermo regulated systems are called as __________

A. Green methodologies
B. Green synthesis
C. Green principles
D. Green concepts
Answer» B. Green synthesis
15.

The green synthesis methods should have _________

A. Low efficiency
B. High harmful products
C. Low energy requirements
D. Low atom efficiency
Answer» D. Low atom efficiency
16.

_________ are greener than the conventional methods.

A. Micro waves
B. Electromagnetic waves
C. Ultra violet waves
D. Radio waves
Answer» B. Electromagnetic waves
17.

_________ is the fundamental advantage of the sono chemistry in organic synthesis without solvents.

A. High yields
B. High energy requirements
C. Use of solvents
D. High wastes
Answer» B. High energy requirements
18.

According to the green chemistry, the chemical involved in the production must be ________

A. Non toxic
B. Toxic
C. Highly toxic
D. Produces the toxic by products
Answer» B. Toxic