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Natural Macromolecules

Which stateme...

Question

Which statement about polymers is correct?

A

Polymers are formed by breaking down monomers

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B

Polymers can be natural or synthetic

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C

Polymers contain atoms of only one element

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D

Polymers have a giant ionic structure

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Solution

The correct option is C Polymers can be natural or synthetic
A polymer is a large molecule or a macromolecule which essentially is a combination of monomers.

Polymers can be natural or synthetic. Natural polymers occur naturally and are found in plants and animals. For example proteins, starch. Synthetic polymers are man-made polymers. Plastic is the most common and widely used synthetic polymer.

Hence, option B is correct.

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Similar questions

Q. Are these statements true or false? Rewrite the false ones correctly.
(a) Polymers are small molecules made by stringing together several monomers.
(b) Blended fabrics contain only synthetic fibres.
(c) Dusters made of nylon or other synthetic materials are good for use in the kitchen.
(d) Polyester fibres are obtained from petroleum products.
(e) Terylene, a synthetic fibre, can be used instead of wool.
(f) Rayon, which is obtained from cellulose, is a natural fibre.

Q. Question 2
Which of the following statements is not true about an atom?
(a) Atoms are not able to exist independently
(b) Atoms are the basic units from which molecules and ions are formed
(c) Atoms are always neutral in nature
(d) Atoms aggregate in large numbers to form the matter that we can see, feel or touch

Q. Which of the following statements are true for zeolites?
1.They are formed by the replacement of some of the silicon atoms of the

S i O_{2}

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2. They have a more closed structure than feldspar.
3. They can absorb

C O_{2}

N H_{3}

E t O H

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4. They can separate straight chain hydrocarbons from a mixture containing both straight chain and branched chain hydrocarbons.

Q. Natural rubber or raw rubber consists of basic material latex which is a dispersion of isoprene. During the treatment, this isoprene forms a high molecular weight polymer of isoprene. Natural rubber can be obtained from five hundred different species of plants.
In the isoprene polymer all the isoprene have:

Q. Statement 1: Two atoms can form an ionic bond if one of the atoms has 1, 2 or 3 electrons in its outermost shell and is able to lose electrons easily.

Statement 2: Two atoms can form an ionic bond if one of the atom has 5, 6 or 7 electrons in its outermost shell and gains electrons easily.

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