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Green Chemistry interview questions part 1
Green Chemistry interview questions part 1
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Total Questions: 20
1. Green chemistry is also called as ________
A. Life chemistry
B. Environmental chemistry
C. Organic chemistry
D. Sustainable chemistry
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Correct Answer is :
Sustainable chemistry
2. An ideal solvent facilitates the __________
A. Mass transfer
B. Dissolving property
C. Combustion
D. Titration
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Correct Answer is :
Mass transfer
3. A desirable green solvent should be __________
A. Costly
B. Toxic
C. Readily available
D. Synthetic
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Correct Answer is :
Readily available
4. The green solvent maximises the atom _________
A. Molecular weight
B. Electronic configuration
C. Velocity
D. Efficiency
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Correct Answer is :
Efficiency
5. What is the percentage atom utilisation?
A. (mole wt of desired product*100)/mole wt of (desired product+total product)
B. (mole wt of desired product*100)/mole wt of (desired product)
C. (mole wt of desired product*100)/mole wt of (desired product+used product)
D. (mole wt of desired product*100)/mole wt of (desired product+by product)
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Correct Answer is :
(mole wt of desired product*100)/mole wt of (desired product+by product)
6. The __________ reactions involves reorganisation of the atoms of the molecules.
A. Addition reactions
B. Rearrangement reactions
C. Reorganised reactions
D. Elimination reactions
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Correct Answer is :
Rearrangement reactions
7. 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
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Correct Answer is :
1
8. _________ are greener than the conventional methods.
A. Micro waves
B. Electromagnetic waves
C. Ultra violet waves
D. Radio waves
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Correct Answer is :
Micro waves
9. Self thermo regulated systems are called as __________
A. Green methodologies
B. Green synthesis
C. Green principles
D. Green concepts
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Correct Answer is :
Green methodologies
10. _________ 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
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Correct Answer is :
High yields
11. The principles of green chemistry include the eliminating the ________ treatments.
A. Costly
B. Harmful
C. Hard
D. Easy
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Correct Answer is :
Costly
12. One of the principles of green chemistry says that to produce _______ goods.
A. Harmful
B. Commercial
C. Safer
D. Most used
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Correct Answer is :
Safer
13. After the use of chemicals, we must ______ them properly.
A. Use
B. Reuse
C. Dispose
D. Store
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Correct Answer is :
Dispose
14. Green chemistry applies across the __________ of a chemical product like design, manufacture and use.
A. Life cycle
B. Properties
C. Uses
D. Efficiency
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Correct Answer is :
Life cycle
15. We must use feedstock derived from annually renewable resources or from _______
A. Chemicals
B. Organic compounds
C. Abundant waste
D. Plants
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Correct Answer is :
Abundant waste
16. Green chemistry improves __________ of chemical manufacturers.
A. Competitiveness
B. Easiness of production
C. Services
D. Chemicals
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Correct Answer is :
Competitiveness
17. It reduces the use of _________
A. liquid fuels
B. Energy
C. Gaseous fuels
D. Solid fuels
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Correct Answer is :
Energy
18. It reduces the ______ and protects the environment.
A. Pollution
B. Temperature
C. Air
D. Water
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Correct Answer is :
Pollution
19. 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
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Correct Answer is :
Non toxic
20. The green synthesis methods should have _________
A. Low efficiency
B. High harmful products
C. Low energy requirements
D. Low atom efficiency
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Correct Answer is :
Low energy requirements
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