What characteristic are different between silver and mercury (i) cations?

Answer : There are multiple characteristics which are different between silver (Ag) and mercury (Hg).

Ag is solid at room temperature while Hg is liquid.

Ag is not so toxic as compared to Hg.

Ag can be tarnished but Hg can not be tarnished.

Mercuric chloride dissolves in ammonia whereas silver chloride does not dissolves.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.