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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions for Chemistry

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Amongst the followings, identify a copolymer?

(a) Orion                            

(b) PVC

(c) PHBV

(d) Teflon

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Copolymerisation

0.1 mole of Buckminster fullerene contains how many kg of carbon? [Atomic mass of carbon = 12]

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Classification of Polymers> Based on Source or Origin

What is natural rubber?

(A) Cis-1,4-polyisoprene

(B) Neoprene

(C) Trans-1,4-polyisoprene

(D) Butyl rubber

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Rubber

Which of the following is polyamide ?

(a) Teflon

(b) Nylon  6,6

(c) Terylene

(d) Bakelite

 

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Introduction to Polymers >> Nylon 66

Write any ‘two’ uses of terylene.

Appears in 1 question paper
Chapter: [15] Introduction to Polymer Chemistry
Concept: Some Important Polymers

Write any ‘two’ uses of terylene.

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Some Important Polymers

Write the reactions involved in the preparation of Orlon

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Introduction to Polymers >> Preparation of Polyacrylonitrile

Write the reactions involved in the preparation of  PVC

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Some Important Polymers

Write the reactions involved in the preparation of  PVC

Appears in 1 question paper
Chapter: [15] Introduction to Polymer Chemistry
Concept: Some Important Polymers

Write the chemical reaction to prepare novolac polymer.

Appears in 1 question paper
Chapter: [15] Introduction to Polymer Chemistry
Concept: Some Important Polymers

Write the chemical reaction to prepare novolac polymer.

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Some Important Polymers

Explain the following term: Homopolymers

Appears in 1 question paper
Chapter: [15] Introduction to Polymer Chemistry
Concept: Some Important Polymers

Explain the following term: Homopolymers

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Some Important Polymers

Write the molecular formula and structural formula of BHA and BHT.

 

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Addition Polymerisation or Chain Growth Polymerisation

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

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Rubber

Bakelite is the polymer of:

(a) Benzaldchyde and phenol

(b) Acetaldehyde and phenol

(c) Formaldehyde and phenol

(d) Formaldehyde and benzyl alcohol

 

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Some Important Polymers

Bakelite is the polymer of:

(a) Benzaldchyde and phenol

(b) Acetaldehyde and phenol

(c) Formaldehyde and phenol

(d) Formaldehyde and benzyl alcohol

 

Appears in 1 question paper
Chapter: [15] Introduction to Polymer Chemistry
Concept: Some Important Polymers

Explain the given terms: Homopolymers

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Classification of Polymers> Based on Source or Origin

How is terylene prepared?

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Introduction to Polymers >> Nylon 66

Write the formulae of the raw materials used for preparation of Buna-S

Appears in 1 question paper
Chapter: [15] Polymers
Concept: Types of Polymerisation Reactions - Rubber
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