It is never specified what the purifying tablets Katniss uses are made of, but she uses iodine during the 74th Hunger Games to purify her water.
3/5
It can be boiled for 5 minutes. Or you can use those purifying tablets that can be bought at most sporting goods stores.
Well, first lets brake down your question... Urine coming out of the body is just about sterile unless you have a urinary tract infection (More so in males than females, because of the design of reproductive organ). So urine is "clean" already. The classic water purifying tablet contain iodine which wipes out bacteria, but your urine won't have much bacteria in it to begin with. The problem with drinking urine is is the concentration of unwanted minerals. Drinking it puts strain on the Kidneys. To answer your question, unless you have a purifying tablet that collects those minerals and gets rid of them, no purifying tablets will not make urine suitable for drinking.
the method of purifying water in filter bed?
The method for purifying the water in a filter bed is called filtration.
For copper, it is an element. It could be both reactant and product. While purifying copper will be the product. But copper would be the reactant in case of preparing hydrogen or copper sulphate salts.
The method of purifying the water in a filter bed is called slow sand filtration.
exfoliatiin
distillation
sexy
Yes some times but I wouldn't depend on that alone. So don't try to cover up drugs just stop n keep people that do drugs away good luck