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The molecular forces are...

The molecular forces are

A

short range forces

B

intermediate forces

C

long range forces

D

multi range forces

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The correct Answer is:
A
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The weakest inter molecular forces are present in:

Among the following polymers, the strongest molecular forces are present in:

Polymers are high molecular mass substances consisting of large number of repeating structural units derived from simple molecules. The polymers formed from one type of monomers are called homopolymers and those formed from two or more different monomers are called copolymers. Depending upon the molecular forces between monomers, polymers may be classified as elastomers, fibers, thermoplastic and thermosetting polymers. The polymers may be formed simply by addition of monomers called addition polymers or by combination of two or more monomers by elimination of simple molecules, called condensation polymers. Give one example each of addition and condensation polymer.

Polymers are high molecular mass substances consisting of large number of repeating structural units derived from simple molecules. The polymers formed from one type of monomers are called homopolymers and those formed from two or more different monomers are called copolymers. Depending upon the molecular forces between monomers, polymers may be classified as elastomers, fibers, thermoplastic and thermosetting polymers. The polymers may be formed simply by addition of monomers called addition polymers or by combination of two or more monomers by elimination of simple molecules, called condensation polymers. Name a synthetic polymer which is an ester.

Polymers are high molecular mass substances consisting of large number of repeating structural units derived from simple molecules. The polymers formed from one type of monomers are called homopolymers and those formed from two or more different monomers are called copolymers. Depending upon the molecular forces between monomers, polymers may be classified as elastomers, fibers, thermoplastic and thermosetting polymers. The polymers may be formed simply by addition of monomers called addition polymers or by combination of two or more monomers by elimination of simple molecules, called condensation polymers. What is the primary structural feature necessary for a monomer to form condensation polymer?

NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Surface tension )
  1. If the surface tension of a rectangular soap film is T and length l , ...

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  2. If there is no difference of pressure on the two sides of the surface,...

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  3. The molecular forces are

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  4. Two pieces of glass plate one upon the other with a little water betwe...

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  5. The surface energy is numerically equal to

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  6. The surface tension of molten cadmium with increase of temperature gen...

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  7. Two wooden sticks of negliable weight are floating parallel to each o...

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  8. The phenomenon of surface tension exhibited liquids is due to

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  9. The surface tension of pure water is

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  10. The surface tension of a liquid is 70 "dyne" // cm . In MKS system its...

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  11. If the maximum force in addition to the weight required to pull a wire...

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  12. If the length of a needle floating on water is 2 cm then the additiona...

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  13. The surface tension of a liquid is 10^(8) dyne cm^(-1). It is equivale...

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  14. The force required to take away a flat circular plate of radius 4 cm f...

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  15. A circular loop of a thin wire of radius (7//pi) cm is suspended fro...

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  16. A platinum wire ring of radius 2.5 cm floats horizontally on the surf...

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  17. A wire of length L metres, made of a material of specific gravity 8 is...

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  18. The length of needle foating on the surface of water is 1.5 cm the for...

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  19. A circular wire of length 0.1 m is touching the surface of the liquid ...

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  20. The force of surface tension on a ring situated on the surface of wate...

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