Yes, acid will decompose a dead animal in a roof vent pipe. Lye or refined lye caustic soda will dissolve organic materials without hurting the pipes. But the best way to remove the obstruction would be the hook end of a coat hanger, the retriever head of a sewer snake, or the treble hook of a strong cord.
no
Yes. It is an aquatic animal that lives underwater. There are different breeds of it like the ghost pipe fish. There are over 200 breeds of it.
What kind of pipe? Is this area exposed to acid rain?
none
Muriatic acid is a very dangerous type of acid. You need to wear gloves and protective eye goggles when using it. No, you cannot use muriatic acid without diluting it to unclog a PVC drain pipe.
YES
Its kind of joints pipe (branch) to the primairly pipe causing blockege due to cold weather (frozen) or due to debris and sluges accumalations
No, PVC is quite resistant to chemical attack. If you use the acid properly, you shouldn't have to worry about it at all.
Very Carefully! :) Use dilute acid.(the process is faster when you use strong acid). Attention: Use proper googles and safety globes.
no, that's xylem
PVC pipe is not affected by acid. Why would you pour acid down your drain in the first place? It will not cure any problem you have.
Acid reflux up your food pipe, causing indigestion and burning it.