====Preparation of 1% Sodium Hypochlorite solution====
 **Materials required**
  *Measuring Cylinder
  *5% Sodium Hypochlorite Solution
  *Water 

**METHOD OF PREPARATION**
  *Take 200ml of  5% Sodium Hypochlorite solution in measuring cylinder
  *Add 800ml of water in it
  *Dispense it in the discarding jars
  *Cover the discarding jars
  *Note: Prepare it daily in the morning.