Question

1. Identify the following cleansing agents
   1. CH₃(CH₂)₁₂CH₂ -COO-Na+
   2. 
      
2. Which cleansing agent is more suitable for washing in water containing magnesium sulphate. 
3. State one advantage of using the cleansing agent in (b) above.   

Answer 1

1.  
   1. Soapy detergent
   2. Soapless detergent
2.  Soapless detergent or 
3. It does not pollute the environment as it is biodegradable.
   Does not form scum with hard water.