PDF chapter test TRY NOW
1. If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of
2. Which of the following metals are obtained by electrolysis of their chlorides in molten state?
(i) \(Na\)
(ii) \(Ca\)
(iii) \(Fe\)
(iv) \(Cu\)
(i) \(Na\)
(ii) \(Ca\)
(iii) \(Fe\)
(iv) \(Cu\)
Register for free to see more content