acid - base reaction的用法和样例：
- Chitosan react with vanillin aldehyde by Schiff's base reaction in water, A polymer product-VCG can be prepared.
- Chitosan react with salicyclaldehyde by schiff's base reaction in water,a polymer product S-CTS can be prepared.
- Then two mannich bases had been prepared by mannich bases reaction.
- An acid can react with a base to form a salt.
- A reaction between an acid and a base that yields a salt and water.
- Putting an acid and a metal together causes a reaction.