Read the chemical equation shown. 2Ag + H2S → Ag2S + H2

Which statement is true about this chemical equation?

Ag (silver) is oxidized and H (hydrogen) is reduced.
Ag (silver) is reduced and H (hydrogen) is oxidized.
S (sulfur) is reduced and H (hydrogen) is oxidized.
S (sulfur) is oxidized and Ag (silver) is reduced.

"the periodic table is arranged in order of atomic number."

the product of the pressure and volume is also constant

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

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.