Physical Property of Metal Appearance
Physical Property of Metal Appearance
Lustre:The property of metals by virtue of which their surface has a shine. ‘Glitter’ or a shiny surface is a property of most metals. This is because metals can be polished. This property is called luster. Because of their ability to shine and reflect light, metals like gold, silver and platinum are used for making jewellery and other decorative articles.
Colour: Most metals are white or silvery- grey. There are, however, a few exceptions. For example, Gold is yellow and Copper is reddish- brown.
Metals are Lustrous (or Shiny). This means that metals have a shiny appearance. If we observe the freshly cut surfaces of metals, we will find that they have a shiny appearance. 1his is called metallic lustre (or chamak). The shiny appearance of metals makes them useful in making jewellery and decoration pieces. For example, gold and silver are used for making jewellery because they are bright and shiny.
Which of the following are correct : (a) The property of metals by virtue of which their surface has a shine. (b) Gold is yellow and Copper is reddish- brown. (c) Most metals are white or silvery- grey. | |||
| Right Option : D | |||
| View Explanation | |||
________________________metal is white in appearance. | |||
| Right Option : A | |||
| View Explanation | |||
The property of metals by virtue of which their surface has a shine is called _______________________. | |||
| Right Option : A | |||
| View Explanation | |||
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It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
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