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Write the chemical equation for tranishi...

Write the chemical equation for tranishing of silver wear (black coatings on silver).

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`4Ag+2H_(2)S+O_(2)rarr underset("(black)")(2Ag_(2)S)+2H_(2)O`
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
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  2. What do you mean by corrosion? How can you prevent it ?

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  3. Write the chemical equation for tranishing of silver wear (black coati...

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  4. What is Galvanizing?

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  5. What is an alloy ? Give two examples for alloys.

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  6. What type of reaction is rancidity?

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  7. Write the chemical reaction for bleaching of coloured objects using mo...

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  8. Why the white washig gives shiny finish to the walls?

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  9. Why the smell and taste of food items change?

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  10. ''Freshly cut apple turning brown, the iron articles shiny when new, b...

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  11. What are new substances formed due to decomposition of lead nitrate?

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  13. What are antioxidants?

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  14. Which type of reaction involved when silver bromide is exposed to sunl...

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  16. Jagadeesh saw 10 grams of unknowns substance in a beaker. He pour wate...

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  17. Some quantity of yellow coloured powerd was kept in the sunlight for s...

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  18. Redox reaction : CuO+H(2)overset("Heat")rarr Cu+H(2)O. By seeing the...

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  20. Write the apparatus to be used to conduct an experiment of ''Reduction...

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