Copper content in low copper amalgam is________?

Greening occuring when porcelains are fired on silver free alloys may be attributed to________?

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called________?

Liquids which become more rigid as the rate of deformation increases is termed as________?

Property of the material, which describes the resistance to abrasion, is________?

Polymerisation of heat-cured methyl methacrylate is initiated by________?