Polypropylene compared to polythene is___________________?
Polypropylene compared to polythene is___________________?
A. Harder
B. Stronger
C. Lighter
D. All A., B. and C.
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Flexible plastic pipes are made of___________________?
Flexible plastic pipes are made of___________________?A. High density polyethylene (HDPE)
B. Low density polyethylene (LDPE)
C. Polypropylene
D. Unsaturated polyesterOrlon is
Question: Orlon is
[A].a copolymer. [B].
a condensation polymer. [C].
obtained by polymerising vinyl cyanide. [D].
all (a), (b) and (c). Answer: Option C
Explanation:
No answer description available for this question.
Tyres are made by___________________?
Tyres are made by___________________?A. Injection moulding
B. Extrusion
C. Rotational moulding
D. Compression mouldingTerylene is_________________?
Terylene is_________________?A. Same as Dacron
B. A polyester
C. Both A. & B.
D. Neither A. nor B.Which of the following is not present in bagasse fiber?
Which of the following is not present in bagasse fiber?A. Cellulose
B. Lignin
C. Pentogens
D. None of theseWhich of the following polymers has the tendency of decomposing before melting ?
Which of the following polymers has the tendency of decomposing before melting ?A. Polystyrene
B. Nylon
C. PVC
D. None of these