Ask a doctor, mentioning the chemical; generally:
- for acid solutions: wash with a diluted basic solution
- for basic solutions: wash with a diluted acidic solution
That depends upon how severely the tongue has been burned, but in my experience, if I have burned my tongue I recover within a day at the most.
Chemical change
Yes, it is a chemical change.
Chemical change
Yes.
Yes, it is.
yes, because it is combusting and providing energy. also when something is burned that is a sign of a chemical reaction taking place
yes
fire
heat
Burning (an oxidation reaction) is a chemical change,
Coal has potential chemical energy which is released as heat when it is burned.