Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten__________________?

Related Mcqs:

Tyres are made by___________________?

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

Low pressure Zeigler process of polythene manufacture____________________?

A. Employs a pressure of 30 kgf/cm2 B. Achieves an yield of 95-98% based on ethylene C. Produces very low density polythene D. Does not use any catalyst for polymerisation...

Neoprene is rendered non-inflammable, because of_____________________?

A. Its cross-linked structure B. Its linear chain structure C. The presence of chlorine atoms in its monomer D. The absence of chlorine atoms in its monomer...

Tubeless tyres are made of ______________ rubber, which is a co-polymer of isoprene & isobutylene?

A. Nitrile B. Silicone C. Neoprene D. Butyl...

In condensation polymerisation as compared to addition polymerisation____________________?

A. The monomers are unsaturated compounds B. No co-product is lost C. The monomers contain two functional groups D. Generally only one monomer is involved...