1.

Silver amalgam is used for filling dental cavities.

Answer»

Solution :(1) SILVER is a soft metal and wears off on CONSTANT usage particularly due to abrasion. Silver amalgam is an alloy of silver with mercury.
(2) It is a hard substance. It is nontoxic. Besides these properties it is a lustrous shining substance. It MELTS at a COMPARATIVELY low, temperature and can therefore conveniently fill in the cavities. Hence, silver amalgam is used for filling DENTAL cavities.


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