With the help of an activity, explain the conditions
With the help of an activity, explain the conditions under which iron articles get rusted.
- Answer:
- Take three test tubes and place clean iron nails in each ofthem.
- Label these test tubes A, B and C.
- Pour some water in test tube A and cork it.
- Pour boiled distilled water in test tube B, add about 1 mL ofoil and cork it. The oil will float on water and prevent the airfrom dissolving in the water.
- Put some anhydrous calcium chloride in test tube C and corkit. Anhydrous calcium chloride will absorb the moisture, ifany, from the air.Iron nails rust in test tube A, but they do not rust in test tubes B and C.Rusting of iron takes place when exposed to both air and water.
Iron nails rust in test tube A, but they do not rust in test tubes B and C.
Rusting of iron takes place when exposed to both air and water.
- Exam Year: 2025
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