Question

5. On the basis of following diagram/picture answer the questions given below:
In an experiment a painted iron nail was placed into a beaker containing sea
water (Fig 'A'). The beaker was left undisturbed for about 10 days. After 10 days,
the nail began to rust (Fig 'B')
Sea water
Sea water
Rusted
iron mail
been parte
a) What are the conditions necessary for rusting?
b) How do salt water influence rusting?
C) A iron nail placed in salt water and tap water. In which of the case rusting will
be faster​

Answer 1

Answer:

sea water is the answer

Answer 2

Answer: a) The conditions necessary

b)How salt water influences rusting

c) tap or salt water

Explanation: a) The conditions necessary for rusting are iron or steel, water and oxygen. When it comes in contact with moisture(water and oxygen), it forms iron oxide(rust)

b)Rusting is the process by which iron turns into iron oxide, so salt water influences rusting as it conducts electricity the cations and anions will be present.

c) Salt water

Hope this helped!!