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Some metals reacts oxygen to form their ...

Some metals reacts oxygen to form their oxides. It is serious problem. Give some examples for oxidation of metals and write balanced equations.

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1) Iron reacts with oxygen and forms iron oxide.
`4Fe+3O_(2) rarr 2Fe_(2)O_(3)`
2) Copper reacts with oxygen and forms copper oxide.
`2Cu+O_(2)rarr 2CuO`
3) Silver tarnishes when reacts with hydrogen sulphide and oxygen
`4Ag+2H_(2)S+O_(2)rarr Ag_(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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  3. Some metals reacts oxygen to form their oxides. It is serious problem....

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  4. Iron is a corroded metal. Through alloying we can prevent corrosion. J...

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  5. ''Through alloying corrosion can be prevented''. For the justification...

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  6. Write the properties of a chemical change.

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  7. How can you conclude that the change in a substance is a chemical chan...

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  8. What are reactants ? What are products ?

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  9. What are the substances called to be reacting in a chemical reaction?

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  10. What are the substances called to be producing in a chemical reaction?

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  11. What is the law of conservation of mass according to chemical equation...

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  12. How can you justify the the law of conservation in a chemical equation...

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  13. What is balanced chemical equation? Why should chemical equations be b...

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  14. What is a balanced reaction?

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  15. Let us assume the chemical equation 2C(3)H(8)+10O(2)rarr 6CO(2)+8H(2)O...

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  16. Prasad wrote a balanced chemical equation as 2C(3)H(8)+10O(2)rarr 6CO(...

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  17. Change the following chemical equation into more effective chemical eq...

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  18. How do you express the physical state of substances in the chemical eq...

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  19. In a chemical equation some arrow marks rarr uarr darr, are written. W...

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