Question

Define amalgam. write any two uses of it
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Answer 1

Answer:

Amalgam:An alloy of mercury metal with one or more other metal is called amalgam. Solution of sodium metal in liquid mercury is called sodium amalgam. Purity of gold is expressed in carats. Pure gold is 24 carats.It is very soft due to which it is not suitable for jewellery.

Answer 2

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An amalgam the name given to anyalloy of mercury. Mercury forms alloys with almost all other metals, except iron, tungsten, tantalum, and platinum. Key uses of amalgams are in dentistry, gold extraction, and chemistry.

Dental amalgam is a dental filling material used to fill cavities caused by tooth decay. Dental amalgam is a mixture of metals, consisting of liquid (elemental) mercury and a powdered alloy composed of silver, tin, and copper.