A. State whether each of the following is with the presence of oxygen or
absence of oxygen. Write your answer on the blanks.
1. rusting of a nail
2. canning of fish
3. preserving of papaya pickles
4. tarnishing of a silver spoon
5. browning of sliced apple
absence of oxygen. Write your answer on the blanks.
1. rusting of a nail
2. canning of fish
3. preserving of papaya pickles
4. tarnishing of a silver spoon
5. browning of sliced apple
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Answer:
1. absence of oxygen
2. presence of oxygen
3. presence of oxygen
4. presence of oxygen
5. absence of oxygen