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Science (English Medium) इयत्ता १२ - CBSE Important Questions

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Hydrolysis of sucrose is called ______.

Appears in 2 question papers
Chapter: [10] Biomolecules
Concept: Classification of Carbohydrates >> Disaccharides

What is the role of sulphur in the vulcanisation of rubber?

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Rubber

Write the names and structures of the monomers of the following polymers: Buna-N

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Classification of Polymers> Based on Mode of Polymerisation

Write the names and structures of the monomers of the following polymers: Polyvinyl chloride

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Classification of Polymers> Based on Structure

Write names and chemical formulae of monomers used in preparing Buna-N.

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Rubber

Write the structures of monomers used the following polymers: 
Nylon - 6, 6

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Condensation Polymerisation Or Step Growth Polymerisation

Is   a homopolymer or copolymer? Give reason. 

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Copolymerisation

Write the monomers of the following polymer : 

Appears in 2 question papers
Chapter: [15] Polymers
Concept: Some Important Polymers

What use of drugs is used in sleeping pills?

Appears in 2 question papers
Chapter: [16] Chemistry in Everyday Life
Concept: Classification of Drugs

What is meant by the term ‘broad spectrum antibiotics’? Explain.

Appears in 2 question papers
Chapter: [16] Chemistry in Everyday Life
Concept: Compounds with Medicinal Properties >> Antimicrobials

Explain any two chemical methods of food preservation.

Appears in 2 question papers
Chapter: [16] Chemistry in Everyday Life
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives

The SELECT statement when combined with the ______ clause returns records without repetition.

Appears in 2 question papers
Chapter: [9] Structured Query Language (SQL)
Concept: SQL for Data Query

Write two points of difference between Circuit Switching and Packet Switching.

Appears in 2 question papers
Chapter: [11] Data Communication
Concept: Switching Techniques

Expand the following in the context of Internet Protocol:

POP3

Appears in 2 question papers
Chapter: [11] Data Communication
Concept: Introduction to Protocols

Read the following and answer the question that follows:

The story "Deep Water" has made you realize that with determination and perseverance one can accomplish the impossible. Write a paragraph in about 100 words words on how a positive attitude and courage will aid you to achieve success in life

Appears in 2 question papers
Chapter: [1.3] Deep Water
Concept: Deep Water

How did the instructor “build a swimmer” out of Douglas?

Appears in 2 question papers
Chapter: [1.3] Deep Water
Concept: Deep Water

Why was the peddler surprised at the hospitality he received from the crofter?

Appears in 2 question papers
Chapter: [1.4] The Rattrap
Concept: The Rattrap

Gandhi effectively managed to redress the problems of the indigo sharecroppers with the Lieutenant Governor. What did he achieve?

Appears in 2 question papers
Chapter: [1.5] Indigo
Concept: Indigo

Answer the following question in about 40-50 words.

What can be inferred from Rajendra Prasad’s recorded upshot of the lawyer consultations, at Motihari?

Appears in 2 question papers
Chapter: [1.5] Indigo
Concept: Indigo

Answer the following in about 100125 words.

Has Sophie met Danny Casey? What details of her meeting with Danny Casey did she narrate to her brother?

Appears in 2 question papers
Chapter: [1.8] Going Places
Concept: Going Places
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CBSE Science (English Medium) इयत्ता १२ Important Questions
Important Questions for CBSE Science (English Medium) इयत्ता १२ Biology
Important Questions for CBSE Science (English Medium) इयत्ता १२ Chemistry
Important Questions for CBSE Science (English Medium) इयत्ता १२ Computer Science (C++)
Important Questions for CBSE Science (English Medium) इयत्ता १२ Computer Science (Python)
Important Questions for CBSE Science (English Medium) इयत्ता १२ English Core
Important Questions for CBSE Science (English Medium) इयत्ता १२ English Elective - NCERT
Important Questions for CBSE Science (English Medium) इयत्ता १२ Entrepreneurship
Important Questions for CBSE Science (English Medium) इयत्ता १२ Geography
Important Questions for CBSE Science (English Medium) इयत्ता १२ Hindi (Core)
Important Questions for CBSE Science (English Medium) इयत्ता १२ Hindi (Elective)
Important Questions for CBSE Science (English Medium) इयत्ता १२ History
Important Questions for CBSE Science (English Medium) इयत्ता १२ Informatics Practices
Important Questions for CBSE Science (English Medium) इयत्ता १२ Mathematics
Important Questions for CBSE Science (English Medium) इयत्ता १२ Physical Education
Important Questions for CBSE Science (English Medium) इयत्ता १२ Physics
Important Questions for CBSE Science (English Medium) इयत्ता १२ Political Science
Important Questions for CBSE Science (English Medium) इयत्ता १२ Psychology
Important Questions for CBSE Science (English Medium) इयत्ता १२ Sociology
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