Commercial production of polypropylene employs _____________ polymerisation?

Related Mcqs:

Celluloid is__________________?

A. Cellulose acetate B. Regenerated cellulose C. Cellulose nitrate D. Cellulose acetate butyrate...

Condensation polymerisation of _____________ produces Bakelite?

A. Propylene B. Phenol & formaldehyde C. Phenol & acetaldehyde D. Urea & formaldehyde...

Vulcanisation of rubber decreases its__________________?

A. Tensile strength B. Resistance to organic solvents C. Tackiness D. Working temperature range...

Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces________________?

A. Epoxy resin B. Polyamide C. Alkyd resin D. Phenolic resin...

Synthetic rubber___________________?

A. Deforms, if stretched to double of its original dimension B. Is brittle at low temperature C. Is softer at higher temperature D. Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases...