You would still get the effects of the heroin, but it will likely take more to get the same effects. The oral route is not the most efficient way to take it.
Nothing happens
You Die
pain
you die
you die...
Everybody has a good time
you die
You can get chemical burns along your throat and stomach if you swallow lye.
nothing happens, just hug the person......
you turn orange
You burp bubbles
You enter a world of pain