Buna-N is also called__________________?

Related Mcqs:

Nylon-6 as compared to nylon-66 is_________________?

A. Harder B. More abrasion resistant C. Having higher melting point D. None of these...

Viscosity of a polymer solution or melt _________________?

A. Decreases with increase in molecular weight B. Decreases with increase in temperature C. Increases with increase in temperature D. Does not vary with temperature rise...

Flexible foam (for mattresses) are usually made of _________________?

A. PVC B. Silicone rubber C. Polyurethanes D. Polyamides...

Styrene which is a monomer for the production of polystyrene, is commercially produced by the __________________?

A. Catalytic dehydrogenation of ethyl benzene B. Dehydration of ethyl alcohol followed by hydrogenation C. Reacting ethylene oxide with acetaldehyde D. Fermentation of starch...

Linear polymers are normally_________________?

A. Thermosetting B. Thermoplastic C. Elastometric D. Having extremely high softening point...