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HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

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Write Dow process for the preparation of Phenol.

[11.02] Phenols
Chapter: [11.02] Phenols
Concept: undefined >> undefined

Write two uses of dioxygen.

[7.02] Group 16 Elements
Chapter: [7.02] Group 16 Elements
Concept: undefined >> undefined

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Answer the following.

Name and draw structure of the repeating unit in natural rubber.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Answer the following.

Write the structure of isoprene and the polymer obtained from it.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Answer the following.

Name and draw structure of the repeating unit in natural rubber.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Answer the following.

Write the structure of isoprene and the polymer obtained from it.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Name and draw the structure of the repeating unit in natural rubber.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Write the structure of isoprene and the polymer obtained from it.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Draw structure of the following compound.

2. 5-Diethylphenol

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Draw structure of the following compound.

2-Methoxypropane

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Draw structure of the following compound.

Prop-2-en-1-ol

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Why haloarenes are Less reactive than halo alkanes?

[10.01] Haloalkanes
Chapter: [10.01] Haloalkanes
Concept: undefined >> undefined

Give the structures of Thiosulphuric acid and Peroxy monosulphuric acid.

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Write structural formulae for:

p-Nitrophenol

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Write structural formulae for:

Salicylic acid

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Graphite is a ______.

[1] Solid State
Chapter: [1] Solid State
Concept: undefined >> undefined

Define the role of safer chemistry in accident prevention.

[16] Green Chemistry and Nanochemistry
Chapter: [16] Green Chemistry and Nanochemistry
Concept: undefined >> undefined

Fluorine has higher electronegativity but less electron gain enthalpy. Explain.

[7] Elements of Groups 16, 17 and 18
Chapter: [7] Elements of Groups 16, 17 and 18
Concept: undefined >> undefined

The species which will behave both as conjugate acid and conjugate base is ______.

[3] Ionic Equilibria
Chapter: [3] Ionic Equilibria
Concept: undefined >> undefined

Define conjugate acid-base pair.

[3] Ionic Equilibria
Chapter: [3] Ionic Equilibria
Concept: undefined >> undefined
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