8) A precipitate is expected when an aqueous solution of lithium iodide is added to an aqueous solution of
a. calcium nitrate.
b. barium
hydroxide.
c. lead perchlorate.
d. iron(II) chloride.
e. sodium sulfate.

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.

The answer is c - the principal of original lateral continuity. 

Answer the same molecular formula;

The answer to your q it is d