The question paper consists of 20 Question. 20 Marks and will be of 30 marks. After completing the exam click the FINISH option.
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#1. During electrolysis of copper sulphate solution using Pt electrode, _____ deposition occur at the cathode
#2. During electrolysis of copper sulphate solution using Pt electrode, the colour of the _____ gradually fades.
#3. During electrolysis of copper sulphate solution using Cu electrode, the colour of the electrolyte _____.
#4. The process of coating an inferior article with a superior metal like Ag, Au, Ni, Cr etc.with the help of electricity is called ________.
#5. Article to be electroplated is always placed at the ________ as metal ions _____ electrons and deposit as metal.
#6. The substance taken as cathode during refining of copper.
#7. The substance taken as anode during electroplating by silver.
#8. The type of salt solution used during the electroplating of Ag.
#9. The cathode reaction taking place when copper sulphate solution is electrolysed.
#10. Function of sulphuric acid during the electrolysis of copper sulphate solution.
#11. Purpose of choosing graphite electrodes
#12. The metal which cannot be refined electrolytically
#13. The condition required for the electroplating
#14. The compound which is a non conductor of electricity
#15. The compound which contains only ions
#16. The ion which will be selectively discharged at the electrode
#17. Nitric acid is not used during the electrolysis of water
#18. The observation at the anode when molten lead bromide is subjected to electrolysis
#19. The electrodes used during the electrolysis of molten lead bromide is made up of
#20. The anode reaction taking place when during the electroplating of Ni
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