Question

Viney wants to separate cooper from impure copper spoon given to him. (a) Write the metals used as anode and cathode during electro-refining of copper (b)Name the solution that needs to be used during refining of copper. (c) State any two reasons for coating chromium on bicycle handles .



Give me answer in short​

Answer 1

Answer:

sory no answer

Explanation:

,.,..,.,.,.,.,

Answer 2

Explanation:

इसका अणुसूत्र H2O है। जल की संरचना में दो हाइड्रोजन परमाणु आक्सीजन परमाणु से सहसंयोजक बन्ध (Covalent Bond) द्वारा जुड़े रहते हैं। जल का अणुभार 18 है। शुद्ध जल रंगहीन, गन्धहीन हेाता है।