General Knowledge :: Chemistry
- Conversion of chemical energy into electrical energy occurs in
- The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
- The working of a dry cell is based on
- Galvanization is the :
- The coating of a thin layer of zinc on steel or iron objects is known as
- A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?
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