Definition

pH Scale

A pH scales define the concentration of ions in a substance. It has a range of 0 - 14 Pasted image 20230813112027.png

pH plays an important role in carrying out many things in the biological world.

pH in a living body
- Blood - 7.4; Urine - 6.5
pH in digestion
- Gastric Juices need a acidic environment whereas Pancreatic Juices need an alkaline env.
pH for Tooth Decay.
- Tooth Decay occurs in pH <5.5
pH levels in soil.
- The soil requires a neutral env.
- Quick Lime (CaO) is added to make the soil basic
- Manure is added to make the soil acidic.
pH in chemical warfare in plants and animals
- Insect stings contain base or acids

What is the pH scale? ? A pH scales define the concentration of ions in a substance. It has a range of 0 - 14

What are the importance of pH in daily life? ? pH plays an important role in carrying out many things in the biological world.

pH in a living body
- Blood - 7.4; Urine - 6.5
pH in digestion
- Gastric Juices need a acidic environment whereas Pancreatic Juices need an alkaline env.
pH for Tooth Decay.
- Tooth Decay occurs in pH <5.5
pH levels in soil.
- The soil requires a neutral env.
- Quick Lime (CaO) is added to make the soil basic
- Manure is added to make the soil acidic.
pH in chemical warfare in plants and animals
- Insect stings contain base or acids