My mouth is sore since yesterday, worse today. especially the tip of my tongue, my gums are very sensitive too, and i tasted saltiness. not burned.

Mouth sore: It's not uncommon for your mouth and/or tip of tongue to be sensitive after a bout of hot, salty, or spicy foods. This is related to surface damage and should resolve within a few days. If not please see your primary care physician.

Sore mouth from?: This would have to be personally seen by a dentist or physician in order to try to diagnose the problem. With the limited information you posted, it would be impossible to determine what the problem is. Sorry.