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(a) Name the branched chain component of...

(a) Name the branched chain component of starch.
(b) Ribose in RNA and deoxyribose in DNA differ in the strucute around which carbon atom ?
(c ) How many peptide linkages are present in a tripeptide ?

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(a) Amylopectin.
(b) C-2.
(c) Two peptide linkages.
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-QUESTION PAPER (SECTION-C)
  1. Give reasons for the following : (a) When 2g of benzoic acid is diss...

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  2. An alcohol [A] with molecules formula (C(4)H(10)O) o oxidation with ac...

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  3. Which one of the following compounds will undergo hydrolysis at a fast...

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  4. A compound is formed by the substitution of two chlorine atoms for two...

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  5. Give reasons for the following : (i) Use of aspartame as an artifici...

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  6. (a) Name the branched chain component of starch. (b) Ribose in RNA a...

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  7. Give three reactions of glucose which cannot be explained by its open ...

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  8. The following data were obtained during the first order thermal decomp...

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  9. Two reactions of the same order have equal pre exponential factors but...

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  10. (a) A colloidal sol is prepared by the given method in figure. What is...

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  11. Describe how the following steps can be carried out? (a) Recovery o...

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  12. Explain the use of the following : (a) NaCN in Froth Floatation Method...

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  13. Explain the following : (a) Out of Sc^(3+), Co^(2+) " and "Cr^(3+) "...

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  14. A metal complex having composition Cr(NH(3))(4)CI(2)Br has been isolat...

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  15. (a) Identify A-D (b) Distinguish between the following pair of compo...

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  16. (a) Account for the following : (i) Direct nitration of aniline yie...

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  17. (a) A cell is prepared by dipping a zinc rod in 1M zinc sulphate solut...

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  18. (a) Apply Kohlrausch law of independent migration of ions, write the e...

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  19. (a) Account for the following observations : (i) SF(4) is easily hyd...

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  20. (a) What inspired N.Bartlett for carrying out reaction between Xe and ...

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