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The purest form of commercial iron is :...

The purest form of commercial iron is :

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wrought iron
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MODERN PUBLICATION-SAMPLE PAPER 2013-EXERCISE
  1. Write the equation for free energy change of a reversible gaseous reac...

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  2. What is the relation between Kp and Kc for the following reaction ? NH...

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  3. The purest form of commercial iron is :

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  4. Give the name of monomers used in buna-S rubber preparation.

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  5. Name the main product obtained by the carbylamine reaction of CH(3)-CH...

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  6. Fill in the blanks : An equimolar mixture of NH4 Cl and NH4 OH is a ……...

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  7. The cations on reaching "………." gain electrons and from neutral atoms ,...

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  8. R-CH(2)-CN on reduction with H(2)//Ni forms….

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  9. Fill in the blanks : Benzene reacts with ozone to form a triozonide wh...

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  10. Phenol is acidic becauseis more stable than

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  11. What is endothermic reaction. Give example.

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  12. State the Law of mass action and explain any two significance of equil...

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  13. What happens when HCl gas is passed through the concentrated solution ...

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  14. Predict whether we can store CuSO(4) solution in a zinc vessel from th...

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  15. What happens when SO2gas is passed through lime water first slowly and...

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  16. How are the natures of radiations from radio - active substances detec...

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  17. HF is a liquid whereas HCl is a gas. Explain.

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  18. Explain why most of transition elements from coloured salts.

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  19. How does Tollens reagent react with formic acid ? Explain with equatio...

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  20. How will you convert aniline to chlorobenzene ?

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