GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following metals forms an amalgam with other metals?
A
Tin
B
Mercury
C
Lead
D
Zinc
Explanation: 

Detailed explanation-1: -amalgam is an alloy of mercury with another metal. Almost all metals can form amalgams with mercury, the notable exceptions being iron, platinum, tungsten, and tantalum. Silver-mercury amalgams are important in dentistry, and gold-mercury amalgam is used in the extraction of gold from ore.

Detailed explanation-2: -In Fe, Co, Ni The Metallic Bonds Are Very Strong Hence Don’t Allow Mercury To Diffuse Into It Hence No Amalgam With Them While In Other Metals Like Ag, Au, Na etc(Soft Metals) Mercury Can Easily Diffuse And Form Metallic Bonds With Them(Ag, Au, Na, etc) Hence Amalgam Formation In Them.

Detailed explanation-3: -Amalgam is the homogeneous mixture of metal and mercury.

There is 1 question to complete.