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What are Differences between acids and bases? NCERT Class 7 Science

Differences between acids and bases

Differences between acids and bases - NCERT Class 7 Science

Acids are a type of substance that includes hydrogen ions and can donate these ions to another substance.
Acidic compounds have a sour tang to them.
A substance that can accept hydrogen ions from acid is called a base. Caustic soda (NaOH) and caustic potash (KOH) are two examples.

Acids vs Bases 
Acids 
  1. Meaning of Acid - Acids are a substance that contains hydrogen ions and are capable of donating these hydrogen ions to another substance.
  2. Acid Impact on Litmus -Turns blue litmus red.
  3. Acid Taste - Sour
  4. Acid  Ph Value - Less than 7
  5. Acid Chemical Composition - Acids always start with the chemical formula H. For example, HCL. However,  organic acids are a notable exceptiont to this.
  6. Examples of Acid - Lactic, citric, and tartaric acid etc.
Bases 
  1. Meaning of Bases - Bases are a substance that can accept hydrogen ions from an acid.
  2. Bases Impact on Litmus -Turns red litmus blue.
  3. Bases Taste - Bitter
  4. Bases Ph Value - Less than 7
  5. Bases Chemical Composition - Bases have a chemical formula OH at the end of it. For example- NaOH.
  6. Examples of Bases -Sodium hydroxide, Potassium hydroxide, etc.



Tag - what is acid; what is base; acid and base; examples of acid; examples of the base; NCERT Class 7 science; school online class


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