Four experiments on rusting are shown in the figure.
Which two experiments can be used to show that air is needed for iron to rust?

1 and 3
1 and 4
2 and 3
2 and 4

Question

Four experiments on rusting are shown in the figure-Which two experiments can be used to show that air is needed iron to rust-1 and 31 and 42 and 32 and 4

Toppr Admin · Accepted Answer

Experiment in-xA0-xA0-2 and 4 show that in tube 2-xA0-containing both air and water iron rusts after 1 week-xA0-but if a layer of oil is added to the surface of water then these layers are not miscible with each other and oil layer prevents the entry of air to reach to iron fillings so in tube 3 the fillings are prevented from rusting-

Four experiments on rusting are shown in the figure.Which two experiments can be used to show that air is needed for iron to rust?1 and 31 and 42 and 32 and 4

Four experiments on rusting are shown in the figure.
Which two experiments can be used to show that air is needed for iron to rust?

1 and 3
1 and 4
2 and 3
2 and 4