Cleaning action for SPM candidates...also for general knowledge...

1. This is the structure of soap & detergent: contains hydrophobic tail & hydrophilic head

 

Soap has COO- head while detergent has SOOO- head

 

2. Functions of soap & detergent:

• Reduces the surface tension of water
• Head dissolves in water & tail dissolves in grease
• Rinsing washes away these grease droplets & leave the surface clean.

3. The cleansing action of soap:

These are the steps in order to make our clothes clean...

see the changes of daniel cell.....

Formula that MUST be to REMEMBER...basic chemistry....

 Molar mass = RAM/ RMM/ RFM in gram