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The chemical formula of the rust is...

The chemical formula of the rust is 

A

`Fe_(2)O_(3).x H_(2)O`

B

`FeO.xH_(2)O`

C

`Fe_2O_3`

D

`FeO`

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-Chapter Assessment
  1. The chemical formula of the rust is

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  2. The chemical formula of the rust is

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  3. Apparatus: Test tube, glass rod, beaker, Bunsen burner, etc. Chemic...

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  4. Give scientific reasons It takes time for pieces of shahabad tiles ...

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  5. True or false. If false, write the correct sentence. In a chemical e...

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  6. Name the gas formed when copper reacts with dilute nitric acid

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  7. Identify the odd one out and justify. Vaporisation of water, dissoluti...

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  8. Give scientififc reasons When the gas formed on heating limestone is...

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  9. Give scientific reasons While preparing dilute sulphuric acid from ...

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  10. Identify reductants and oxidants in the following reactions. 2PbO + ...

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  11. A student was studying combination reaction by adding few pieces of ca...

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  12. When the solution of sodium carbonate is added to the solution of calc...

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  13. A student performed following two activities in school laboratory: A...

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  14. A student performed following two activities in school laboratory: A...

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  15. A student performed following two activities in school laboratory: A...

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  16. A student performed following two activities in school laboratory: A...

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  17. A student performed following two activities in school laboratory: A...

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  18. The chemical formula of the rust is

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  19. Apparatus: Test tube, glass rod, beaker, Bunsen burner, etc. Chemic...

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  20. True or false. If false, write the correct sentence. In a chemical e...

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  21. Name the gas formed when copper reacts with dilute nitric acid

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