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Write the main structural difference bet...

Write the main structural difference between DNA and RNA. Of the two bases, thymine and uracil, which one is present in DNA?

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ARIHANT PUBLICATION-SAMPLE PAPER 4 -GROUP B
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  2. What happens when H(3)PO(3) is heated?

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  3. Define osmotic pressure ? How is the osmotic pressure related to the c...

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  4. Write the main structural difference between DNA and RNA. Of the two b...

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  5. What is the primary and secondary valency of chromium in the complex i...

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  6. What is the order of acidic character of 1^(@),2^(@) and 3^(@) alcohol...

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  7. Why are antioxidants used in the food?

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  8. Explain the difference between the average rate and instantaneous rate...

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  9. How are the following properties of crystals affected by Schottky and ...

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  10. Write the reaction for the formation of each of the following: (a) ...

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  11. How is bakelite made and what is its major use ? Why is it called ther...

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  12. Why does a native protein loses its biological activity on heating?

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  13. How do size of particles of adsorbent, pressure of gas and prevailing ...

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  14. Write the difference between ideal and non-ideal solutions.

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  15. Give the industrial uses of methanol, ethanol and phenol.

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  16. Complete the following reactions CH(3)CH(2)NH(2) + CHCl(3) + (alc) K...

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  17. Complete the following reaction. C(6)H(5)N(2)^(+)Cl^(-) overset(H(2)...

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  18. Complete the following reactions

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  19. The outer electronic configurations of two members of the lanthanoid s...

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  20. Draw all the possible isomers (structural and stereoisomeric) having t...

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