The flowchart below shows the inclusion of a two-stage catalytic converter in a motor car engine and exhaust system. ... In the second converter, nitrogen oxides are decomposed into their elements. ... Clean air contains a mixture of gases.
|Title||:||Longman Effective Guide OL Sci Chem|
|Author||:||Lim Eng Wah|
|Publisher||:||Pearson Education South Asia - 2007-10-31|