You have added soda to the stoppage
physical change
Yes, it can give off intense heat.
If your drain line becomes clogged, a mixture of hot water, vinegar, and baking soda can be used to clear it. After letting the mixture lie in the drain for 10-15 minutes, pour hot water down the drain first, then baking soda, vinegar, then more hot water.
Well there are many ways you can repair or fix your clogged sink. One is to by a snake it is like this long tube you can stick down the the drain of the clogged sink and pull the gunk right on up. There is also another solution you can easily buy liquid plumber. Then there is the simple method the plunger.
If a drain is suspected of being clogged with hair, if there is any Nair around, it can be poured down the drain. Let it sit for about a half hour, and then flush with hot water, to remove the clog. If it is suspected that there is a grease buildup in the drain, a few cups of dawn (grease cutting) will do the trick. Pour it in the drain, let it sit for a few hours, then flush with hot water.
Yes, sometimes enough heat to melt parts of plastic piping.
I use a shop vac and reduce the vacuum hose down to fit the drain tube and suck the dirt out.
They can. Pouring vinegar down a drain clogged with eggshells should unclog it as the vinegar dissolves the eggshells.
Then there is slime in the hot water
A blocked pipe. The water can not go down the pipe, so it comes out in your sink.
The drain going out is clogged. Both sides share the same drain and water seeks it's own level so it comes up in the other side. Put some drain cleaner down the drain.
The drain water eventually goes to the ocean.. That's called pollution..