answer the following: (1) why do we paint objects made up of iron? (2) why is hydrogen gas filled in food packets containing oil and fats? (3) which processes are responsible for (a) and (b) ?
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1
Answer:
We paint them to save from rust and hydrogen fill to keep them crispy and save in their original taste for long time
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Answer:
(1) We paint object made of iron because it preserve it from water that protect it from rusting
(1) to protect from spoiling the food
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