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(a) Why water soluble vitamins must be s...

(a) Why water soluble vitamins must be supplied regularly in the dite ? Give one example of it.
(b) Differentiate between the following :
(i) Essential and non-essential amino acids.
(ii) Fibrous and globular proteins.

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(a) Water soluble vitamins must be supplied regulary in the diet because they are regularly excreted in urine and cannot be store 1 in our body. Ex. Vitamin C
(b) (i)
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XII BOARDS PREVIOUS YEAR-XII BOARDS-[SET-1]
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  2. Calculate Delta(r)G^(@) and log K(c) for the following reaction at 29...

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  3. For a first order reaction, show that the time required for 99% comple...

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  4. Explain the following phenomenon given reason : (i) Tnndall effect. ...

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  5. (a) Write the principle involved in the following : {:((i)"Zone refi...

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  6. A mixed oxide of iron and chromium is fused with sodium carbonate in f...

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  7. (a) Give reasons for the following : (i) Compounds of transition ele...

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  8. For the complex ion [F(en)(2)CI(2)]^(+) write the hybridization type a...

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  9. (a) Account for the following : (i) Electrophilic substitution react...

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  10. (a) Why phenol is more acidic than than ethanol ? (b) Write the mech...

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  11. Identify A, B and C in the following reactions : (i) CH(3)CH(2)Clove...

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  12. (a) Why water soluble vitamins must be supplied regularly in the dite ...

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  13. (i) Name a substance which can be used as an antiseptic as well as dis...

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  14. Once there was heavy downpour for about 3 hours in the early morning. ...

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  16. (a) Define the following terms : {:((i)"Ideal solution",(ii)"Osmitic...

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  18. Account for the following (i) Reducing character decreases from SO(2...

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  20. Write structure of A, B C and D in the following eactin sequence : {...

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