More reactive than others
        
                    
             
        
        
        
Answer:
Filtration
Explanation:
Metal carbonate is insoluble, it is possible to filter off the unreacted substances leaving the desired salt solution
 
        
             
        
        
        
Tertiary Amine
          The reason Why it is Tertiary Amine is because it has three carbons and one nitrogen. 
 
        
                    
             
        
        
        
Answer:
1. 0.05moles of H₂O₂ is consumed in the reaction
2. the number of unreactive H₂O₂ is 0.20 moles
3. the percentage of H₂O₂ is 0.18%
4. no, not similar to 3% H₂O₂
5. percentage error = 0.94 = 94%
Explanation: