
Letâs Recall (Review) :
Quiz by Robert Ojo
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Type PO if changes is due to the presence of oxygen and AO if it is due to the absence of oxygen.  (1. rusting of iron )
Type PO if changes is due to the presence of oxygen and AO if it is due to the absence of oxygen.  (2. discoloration of apple )
Type PO if changes is due to the presence of oxygen and AO if it is due to the absence of oxygen. ( 3. BURNING OF LOGS )
Type PO if changes is due to the presence of oxygen and AO if it is due to the absence of oxygen. (4. DECAYING OF FOODS )
Type PO if changes is due to the presence of oxygen and AO if it is due to the absence of oxygen. (5. PUTTING OFF FLAME )