Gutta percha rubber is_________________?

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...

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...

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...

Visco-elastic behaviour exhibited by plastics is a ______________ like behaviour?

A. Solid B. Liquid C. Combination of solid & liquid D. Neither solid nor liquid...