State five differences between an acid and a base

Question

1.litmus paper

Answer 1

: An acid turns blue litmus paper red, while a base turns red litmus paper blue.
2. pH level: Acids have a pH level below 7, while bases have a pH level above 7.
3. Taste: Acids usually have a sour taste, while bases have a bitter taste.
4. Ionization: Acids release hydrogen ions (H+) in water, while bases release hydroxide ions (OH-) in water.
5. Reactivity: Acids react with metals to produce hydrogen gas, while bases react with acids to produce salt and water.