Question

a) Gold can be polished. he lood. WE
b) All polished metals can conduct electricity​

Answer 1

Answer:

a) there might come such a time when your gold jewellery might cease to look and shine as it once did. Well ...

Explanation:

b) All metals have a shiny appearance (at least when freshly polished); are good conductors of heat and electricity; form alloys with other metals; and have at least one basic oxide.

Answer 2

Reasons for the following statements given.

Explanation:

• Since gold is a metal , metals can be polished , they have a lustrous appearance.
• This lustrous appearance is because of a free electron present on the surface that are loosely bound and make the metal shiny.
• All polished metals can conduct electricity , all metals having shiny appearance can conduct electricity because of a lose electron present.
• Also they are good conductors of heat and electricity, and can form alloys with other metals.