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How does temperature influence the condu...

How does temperature influence the conductivity of a semi-conductor?

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Knowledge Check

  • On 'doping', the conductivity of semi-conductor :

    A
    increases
    B
    decreases
    C
    remains same
    D
    none of these
    • MODERN PUBLICATION-MOCK TEST 01-EXERCISE
    1. How does temperature influence the conductivity of a semi-conductor?

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    2. Why are carbohydrates generally optically active ?

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    3. Give one example of an artificial sweetener used by diabetic patients.

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    4. Write the structure of 4-methylpent-3-en-2-one.

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    5. Which part of the mustard plant we eat?

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    6. An element E crystallizes in boyd centred cubic structure. If the edge...

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    7. Explain the following statement- Tiger only eats meat.

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    8. What is the charge on the colloidal particles in the following : Collo...

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    9. A colloidal solution of Agl is prepared by the following two methods :...

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    10. Complete the reactions : Mg3N2 + H2O rarr

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    11. Complete the reactions : PCl3 + H2O rarr

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    12. Which part of the brinjal plant we eat?

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    13. Which part of the potato plant we eat?

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    14. Explain the following statement- Deer only eat plants and plants produ...

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    15. Complete and name the following reactions : RCONH2 + Br2 + 4NaOH rarr

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    16. Why is phenol acidic than ethanol? .

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    17. Give chemical test to distinguish between the following : 1-Propanol a...

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    18. Give chemical test to distinguish between the following : Phenol and ...

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    19. Why do primary amines have higher boiling point than tertiary amines?

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    20. Give possible explanation that aliphatic amines are stronger bases tha...

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