Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding_________________?

Byadmin March 7, 2019August 25, 2021

Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding_________________?

A. Glycerol
B. Nitro cellulose
C. Camphor
D. None of these

CHEMICAL ENGINEERING | Polymer Technology

Ebonite is a/an

Question: Ebonite is a/an
[A].

highly vulcanised rubber.
[B].
natural rubber.
[C].
unvulcanised raw rubber.
[D].
adhesive.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Ebonite is a/an
Polymer Technology

Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?

Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?

A. 50000
B. 51600
C. 49200
D. 50800

Read More Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?
Polymer Technology

Tyres are made by___________________?

Tyres are made by___________________?

A. Injection moulding
B. Extrusion
C. Rotational moulding
D. Compression moulding

Read More Tyres are made by___________________?
Polymer Technology

Thermosetting materials_________________?

Thermosetting materials_________________?

A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of these

Read More Thermosetting materials_________________?
Polymer Technology

Polypropylene is preferred to polythene, because the former is ____________________?

Polypropylene is preferred to polythene, because the former is ____________________?

A. Non-inflammable
B. Harder
C. Stronger
D. Both B. & C.

Read More Polypropylene is preferred to polythene, because the former is ____________________?
CHEMICAL ENGINEERING | Polymer Technology

Ion exchange resins are made of

Question: Ion exchange resins are made of
[A].

lucite
[B].
sulphonated bakelite
[C].
polystyrene
[D].
teflon

Answer: Option B

Explanation:

No answer description available for this question.

Read More Ion exchange resins are made of

Similar Posts