The addition of which substance will decrease the solubility of agno3 in water? 1)0.1 m potassium chloride 2)0.1 m barium chloride 3)0.1 m sodium nitrate 4)0.1 m sodium carbonate

3 is correct because the .1 moles of the NO3 will be better option to decrease the solubility of the Silver Nitrate.

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.