Which of the following methods is suitable for preventing an iron frying pan from rusting ?
Which of the following methods is suitable for preventing an iron frying pan from rusting ?
- A
Applying a coating of zinc
- B
Applying grease
- C
Applying paint
- D
all of the above.
Similar Questions
Define the following terms.
$(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue
Define the following terms.
$(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue
What are amphoteric oxides? Give two examples of amphoteric oxides.
What are amphoteric oxides? Give two examples of amphoteric oxides.
Food cans are coated with tin and not with zinc because
Food cans are coated with tin and not with zinc because
Give reasons : Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.
Give reasons : Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
Metal
Zinc
Magnesium
Copper
Zinc oxide
-
-
-
Magnesium oxide
-
-
-
Copper oxide
-
-
-
In which cases will you find displacement reactions taking place ?
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
| Metal | Zinc | Magnesium | Copper |
| Zinc oxide | - | - | - |
| Magnesium oxide | - | - | - |
| Copper oxide | - | - | - |
In which cases will you find displacement reactions taking place ?