A Sulphuric acid (H2SO4) solution is prepared by diluting 50 ml of 2 M solution to 250 ml. Calculate the pH for this solution.​

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.