Metals used in voltaic cell are
وولٹک سیل میں استعمال ہونے والی دھاتیں کونسی ہیں۔
- Zinc and lead
- Zinc and copper
- Zinc and lead
- Carbon and nickel
Explanation
- A voltaic cell is an electrochemical cell that makes use of a chemical reaction to supply electrical energy. Zinc is used as anode and copper is used as cathode.
- The voltaic cell makes use of extraordinary metal electrodes, each in an electrolyte answer. The anode will go through oxidation and the cathode will undergo reduction. The steel of the anode will oxidize, going from an oxidation kingdom of zero (in the solid form) to a positive oxidation nation, and it becomes an ion. at the cathode, the steel ion within the answer will accept one or extra electrons from the cathode, and the ion’s oxidation kingdom will lessen to 0.
- This paperwork a strong steel that deposits on the cathode. the two electrodes ought to be electrically linked to each different, taking into consideration a go with the flow of electrons that depart the metal of the anode and glide thru this connection to the ions on the surface of the cathode. This float of electrons is an electrical modern-day that can be used to do work, inclusive of flip a motor or electricity a mild.
Related MCQs
چاک کا کیمیائی نام کیا ہے؟
- Calcium carbonate
- Calcium nitrate
- Sodium nitrate
- Zinc carbonate
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کون سی واحد دھات ہے جو سالیڈیفیکیشن پر پھیلتی ہے؟
- Lithium
- Bismuth
- Dysprosium
- None of these
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بجلی پیدا کرنے کا سب سے سستا ذریعہ کون سا ہے؟
- Nuclear
- Solar
- Hydel
- None of these
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ڈائمنڈ کس عنصر کی مختلف شکل (اللوٹروپک فارم) ہے؟
- Carbon
- Hydrogen
- Oxygen
- Aluminum
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تانبے کے عنصر کی علامت کیا ہے؟
- Ag
- Cu
- He
- Ne
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