PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Read the statement and answer:
 
1.
The material has the property between the materials, which allow electric current drive through them and do not permit current drive through them.
 
 
2.
When electrodes are immersed in water and electricity is passed, bubbles of oxygen and hydrogens are evolved. The oxygen is deposited at the electrode connected to the
 
 
3.
When electroplating of brass tumbler by copper, the copper plate to be connected to the