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Question: Molten $Ag$ absorbs about .......... times of $O_2$:...

Molten AgAg absorbs about .......... times of O2O_2:

A

10

B

20

C

40

D

80

Answer

20

Explanation

Solution

Molten silver (AgAg) has a unique property of absorbing a significant amount of oxygen when it is in the molten state. Upon solidification, this absorbed oxygen is released, a phenomenon often referred to as "spitting of silver."

Quantitatively, molten silver is known to absorb approximately 20 times its own volume of oxygen at its melting point and at atmospheric pressure. Molten silver exhibits a high solubility for oxygen. At its melting point (961.78 °C) and under atmospheric pressure, molten silver can dissolve approximately 20 times its own volume of oxygen. This property is significant in metallurgy and is known as the "spitting of silver" when the molten metal cools and solidifies, releasing the dissolved oxygen.