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The conversion of FeO " to " Fe2O3 is re...

The conversion of `FeO " to " Fe_2O_3` is reduction reaction.

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The conversion of FeO to `Fe_2O_3` is oxidation reaction
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Which among FeO and Fe_2O_3 is more basic?

5 moles of VO and 6 moles of Fe_(2)O_(3) are allowed to react completely according to reaction VO + Fe_(2)O_(3) rArr FeO + V_(2)O_(5) The number of moles of V_(2)O_(5) formed is:

From the following data at 25^(@)C , Calculate the standard enthalpy of formation of FeO(s) and of Fe_(2)O_(3) (s) . {:(,"Reaction",Delta_(r)H^(@)" (kJ/mole)"),((1),Fe_(2)O_(3)(s)+3C ("graphite") rarr 2Fe(s) +3CO(g),492.6),((2),FeO(s)+C("graphite") rarr Fe(s)+CO(g),155.8),((3),C("graphite")+O_(2) (g) rarr CO_(2)(g),-393.51),((4),CO(g)+1//2O_(2)(g) rarr CO_(2)(g),-282.98):}

In the preparation of iron from haematite (Fe_2O_3) by the reduction with carbon Fe_2O_3+C rarr Fe+CO_2 how much 80% pure iron may be produced from 120kg of 90% pure Fe_2 O_3 ?

TARGET PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-True or False
  1. A redox reaction takes place during cellular respiration

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  2. The rust on iron surface is formed by an electrochemical reaction.

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  3. When we use old, left over cooking oil for making food stuff, it is fo...

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  4. The composition of matter reamains the same in a chemical change.

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  5. Combustion of coal in air is a reaction.

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  6. In a chamical equation, the formula of a compound can be changed.

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  7. While balancing a chemical equation, the formula of compound can be ch...

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  8. On adding zinc dust to copper sulphate solution, a displacement reacti...

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  9. Rate of a chemical reaction is proportional to the concentration of re...

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  10. In our body ,enzymes increase the rate of physiological reactions.

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  11. The ozone layer in the earth's atmosphere protects the life on earth f...

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  12. Hydrogen peroxide undergoes slow decomposition into water and oxygen.

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  13. The chemical formula of potassium chromate is K2Cr2O7

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  14. Nascent ocygen is represented [O].

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  15. When ferric ion is formed from ferrous ion, the positive charge is inc...

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  16. The chemical process in which the positive charge on an atom or an ion...

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  17. The conversion of FeO " to " Fe2O3 is reduction reaction.

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  18. A redox reaction takes place during cellular respiration

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  19. The rust on iron surface is formed by an electrochemical reaction.

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  20. When we use old, left over cooking oil for making food stuff, it is fo...

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