Subject

Chemistry

Class

CBSE Class 12

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31.

Name the reagents used in the following reactions ?

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32.

Write the names and structures of the monomers of the following polymers

(i) Nylon-6, 6

(ii) PHBV

(iii) Neoprene

7140 Views

33.

Predict the products of the following reactions :

1749 Views

34.

How do you convert the following?

Phenol to anisole

5106 Views

35.

How do you convert the following?

Propan-2-ol to 2-methylpropan-2-ol

2160 Views

36.

How do you convert the following?

Aniline to Phenol

1676 Views

37.

Write the mechanism of the following reaction: 2CH₃-CH₂-OH --> CH₃-CH₂-O-CH₂-CH₃?

890 Views

38.

Write the equation involved in the acetylation of Salicylic acid.

2066 Views

39.

Which one of the following is a disaccharide: Starch, Maltose, Fructose, Glucose ?

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Fibrous Proteins	Globular Proteins
They are fibre-like structures formed by polypeptide chains. Such proteins are held together by strong hydrogen and disulphide bonds.	The polypeptide chains in these proteins are folded around themselves, giving these proteins a spherical structure.
They are usually insoluble in water.	They are usually soluble in water.
They are structural proteins. For example, keratin is present in nails and hair, collagen is present in tendons and myosin is present in muscles.	They are functional proteins. For example, most enzymes and some hormones like insulin.