20. NCERT Exemplar XI

1. Why is tin electroplated on iron to make cans used for storing food?

  

Since tin is less reactive than ironmore reactive than ironshiny in appearance than ironless weight than iron, it is electroplated onto iron to manufacture food cans. Coating of tin prevents food from coming in contact with tinfoodironcan and thus, prevents it from getting spoiled.

 

2. Observe the following circuits carefully. In which circuit will the bulb glow? Select Yes or No provided along each option.