Bases are compounds that react with acids. Then the salt water will be broken down to hydroxide ions (OH-) Best of all kinds are astringent taste.
Treasures of the base solution
1. Best of all kinds of harsh or astringent.
2. Change the color of litmus from red to blue (with a pH greater than 7).
3. reacts with vegetable oil Or lard It was like a soap bubble solution.
4. react with ammonium nitrate to a gas with a pungent odor of ammonia.
5. metal corrosion Aluminum and zinc The gas bubbles up
7. reacts with the acid, salt and water.