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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 16 - Green Chemistry and Nanochemistry [Latest edition]

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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 16 - Green Chemistry and Nanochemistry - Shaalaa.com
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Chapter 16: Green Chemistry and Nanochemistry

Multiple choice questionsVery short answer QuestionsShort Answer Questions (Type-I)Short Answer Questions (Type-II)Long Answer Questions
Multiple choice questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 16 Green Chemistry and Nanochemistry Multiple choice questions

1 Mark

Multiple choice questions | Q 1

Bottom ash of thermal power stations can be used as raw material for cement and brick industry. This example illustrates which of the following principle of green chemistry?

  • Atom economy.

  • Designing safer chemicals.

  • Design for energy efficiency.

  • Prevention of waste or by products.

Multiple choice questions | Q 2

According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.

  • Benzene

  • BHC

  • Chlorobenzene

  • Ethanol

Multiple choice questions | Q 3

The concept that aims to maximize efficiency and minimize hazardous effect on human health and environment was coined by Paul T. Anastas.

  • Green revolution

  • Blue revolution

  • Nano chemistry

  • Green Chemistry

Multiple choice questions | Q 4

Nanorods are the example of _____________

  • One dimensional nanostructure

  • Two Dimensional nanostructure

  • Three dimensional nanostructure

  • Zero dimensional nanostructure

Multiple choice questions | Q 5

Which nanoparticles act as highly effective bacterial disinfectant, removing E.Coli from water?

  • Gold nanoparticles

  • Silver nanoparticles

  • TiO2 nanoparticles

  • ZnO nanoparticles

Multiple choice questions | Q 6

Catalyst used for hydrogenation of oil is ___________

  • V2O5

  • Fe

  • Raney Ni

  • MnO2

Multiple choice questions | Q 7

In green technology developed by Drath and Frost, adipic acid is enzymatically synthesized from _______.

  • Sucrose

  • lactose

  • maltose

  • glucose

Very short answer Questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 16 Green Chemistry and Nanochemistry Very short answer Questions

1 Mark

Very short answer Questions | Q 1

Mention the total number of principles of green chemistry.

Very short answer Questions | Q 2

Name the catalyst used to manufacture of H2SO4 by contact process.

Very short answer Questions | Q 3

Name the plant which is an example of self-cleaning.

Very short answer Questions | Q 4

Write the name of nanomaterial which is used in water purification.

Very short answer Questions | Q 5

Name the γ-isomer of Benzene hexachloride.

Very short answer Questions | Q 6

Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?

Very short answer Questions | Q 7

Write any example of nanoparticles which is used in photocatalysis.

Short Answer Questions (Type-I)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 16 Green Chemistry and Nanochemistry Short Answer Questions (Type-I)

2 Marks

Short Answer Questions (Type-I) | Q 1.1

Define atom economy.

Short Answer Questions (Type-I) | Q 1.2

Answer the following

Write the formula to calculate the % atom economy.

Short Answer Questions (Type-I) | Q 2.1

Answer the following

Define: Green chemistry

Short Answer Questions (Type-I) | Q 2.2

Answer the following

Define the following term: Nanochemistry

Short Answer Questions (Type-I) | Q 3

Write one example of safer solvent and hazardous solvent

Short Answer Questions (Type-I) | Q 4

Answer the following

How nanotechnology plays an important role in water purification techniques?

Short Answer Questions (Type-I) | Q 5

Complete and write the following table

Reaction Name of catalyst
i) Manufacture of HDPE polymer ________________
ii) _______________ V2O5
Short Answer Questions (Type-I) | Q 6

Answer the following

Write the formula to calculate the % atom economy.

Short Answer Questions (Type-II)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 16 Green Chemistry and Nanochemistry Short Answer Questions (Type-II)

3 Marks

Short Answer Questions (Type-II) | Q 1

Explain prevention of waste or by products which is one of the principles of green chemistry.

Short Answer Questions (Type-II) | Q 2

Write any three advantages of nanoparticles and nanotechnology.

Short Answer Questions (Type-II) | Q 3.1

Write the name of nanomaterial which is used in water purification.

Short Answer Questions (Type-II) | Q 3.2

Write one example of nanomaterial used in the following.

Tyre of car

Short Answer Questions (Type-II) | Q 3.3

Write one example of nanomaterial used in the following.

ancient glass painting

Short Answer Questions (Type-II) | Q 4

Answer the following

Explain the role of green chemistry.

Short Answer Questions (Type-II) | Q 5

Explain any three characteristic features of nanoparticles.

Short Answer Questions (Type-II) | Q 6

State Disadvantages of nanoparticles and nanotechnology.

Long Answer Questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 16 Green Chemistry and Nanochemistry Long Answer Questions

4 Marks

Long Answer Questions | Q 1.1

Explain the term sustainable development.

Long Answer Questions | Q 1.2

How is nanotechnology useful for the energy sector?

Long Answer Questions | Q 2.1

Write a short note on the catalytic activity of nanoparticles.

Long Answer Questions | Q 2.2

Complete and write the following table.

S/N Nanomaterial dimension Nanomaterial type
a) One dimension < 100 nm ___________________
b) Two dimension < 100 nm ___________________
Long Answer Questions | Q 3.1

Answer the following

How will you illustrate the use of a safer solvent and auxiliaries?

Long Answer Questions | Q 3.2

Answer the following

Define the following term: Nanomaterial

Long Answer Questions | Q 3.2

Answer the following

Define the following term: Nanotechnology

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Chapter 16: Green Chemistry and Nanochemistry

Multiple choice questionsVery short answer QuestionsShort Answer Questions (Type-I)Short Answer Questions (Type-II)Long Answer Questions
SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 16 - Green Chemistry and Nanochemistry - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 16 - Green Chemistry and Nanochemistry

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 16 (Green Chemistry and Nanochemistry) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 12th Standard HSC Chemistry Maharashtra State Board 2022 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. SCERT Maharashtra Question Bank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 16 Green Chemistry and Nanochemistry are Green Chemistry and Nanochemistry, Concept of Sustainable Development, Principles of Green Chemistry, The Role of Green Chemistry, Introduction to Nanochemistry, Characteristic Features of Nanoparticles, Synthesis of Nanomaterials, History of Nanotechnology, Applications of Nanomaterials, Nanoparticles and Nanotechnology.

Using SCERT Maharashtra Question Bank 12th Board Exam solutions Green Chemistry and Nanochemistry exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in SCERT Maharashtra Question Bank Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer SCERT Maharashtra Question Bank Textbook Solutions to score more in exam.

Get the free view of chapter 16 Green Chemistry and Nanochemistry 12th Board Exam extra questions for 12th Standard HSC Chemistry Maharashtra State Board 2022 and can use Shaalaa.com to keep it handy for your exam preparation

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