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Science (English Medium) कक्षा १२ - CBSE Question Bank Solutions for Chemistry

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Chemistry
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The compound HOCH2 – CH2OH is __________.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

An example of a compound with functional group – O – is ____________.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

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Butane-2-ol is ____________.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Cresol has ____________.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Ethyl alcohol is industrially prepared from ethylene by:

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Which of the following compounds is oxidised to prepare methyl ethyl ketone?

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

HBr reacts fastest with ____________.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

IUPAC name of m-cresol is ____________.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Ethylene reacts with Baeyer’s reagent to give ______.

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

When ethyl alcohol reacts with acetic acid, the products formed are:

[7] Alcohols, Phenols and Ethers
Chapter: [7] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Which of the following gives a positive Fehling solution test?

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined

Glucose gives silver mirror test with Tollen’s reagent. It shows the presence of ____________.

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined

The two functional groups present in a typical carbohydrate are:

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined

Which of the following monosaccharide is pentose?

[10] Biomolecules
Chapter: [10] Biomolecules
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Monosaccharides usually contains ____________ carbon atoms.

[10] Biomolecules
Chapter: [10] Biomolecules
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A carbohydrate that cannot be hydrolysed into simpler units is called ____________.

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined

Reducing sugars reduce ____________.

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined

Glucose can’t be classified as ____________.

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined

Which of the following reagent cannot distinguish between glucose and fructose?

[10] Biomolecules
Chapter: [10] Biomolecules
Concept: undefined >> undefined
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