What makes an acid an acid?
Acids make things taste sour. Vinegar and lemon juice are both sour because they are acids. Acids are corrosive to metals, change litmus red, and become less acidic when they are mixed with acids. They also taste sour. A scientist named Arrhenius suggested that acids are compounds that contain hydrogen and can dissolve in water to release hydrogen ions into solution. Arrhenius's suggestion can explain why acids have similar properties to each other.
What makes a base a base?
Bases are different from acids. Bases feel slippery and change litmus blue instead of red. They also bacome less basic when they are mixed with acids. Arrhenius said that bases are substances that dissolve in water to release hydroxide ions into solution. An example of a base is sodium hydroxide. All bases are similar in their properties and they all release OH-.
Neautralization is the idea that acids and bases counteract each other. The idea is that a base makes an acid weaker and an acid makes a base weaker.
Why is water neutral?
Water is neutral becauase the hydrogen negative and OH positive are the same amount.
How do antacids work?
Antacids work by increasing the PH level of stomach acid. They work by neutralizing acid and coating the stomach. The opposite of an acid is a base and that is what an antacid is. Antacids can treat symptoms like heartburn and gastritis.
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