किसी पदार्थ का वह गुण जिसके कारण वह बिना टूटे तन्यता भार (tensile load) के तहत महत्वपूर्ण स्थायी विरूपण से गुजर सकता है, कहलाता है:

When a bottle of perfume is kept open in a corner of a room, its fragrance is soon felt in all parts of the room. This occurs due to which phenomenon?

The quantity of matter contained in a substance is termed as:

What is the ability of a material, particularly a metal, to resist surface wear, scratching, and abrasion called?