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Download SGBAU B-Tech 1st Sem Applied Inorganic Chemistry Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 1st Sem Applied Inorganic Chemistry Previous Question Paper

This post was last modified on 10 February 2020

This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university


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B.Tech. First Semester ((FPOPC) Polymer (Plastic)) (CGS)

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11700 : Applied Inorganic Chemistry : 1 SCT 1

AW - 2929

Max. Marks : 80

Pages : 2

Time : Three Hours

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Notes:

  1. Answer three questions from section A and three questions from section B.
  2. Diagrams and chemical equations should be given wherever necessary.
  3. Discuss the reaction, mechanism wherever necessary.
  4. Use of pen Blue/Black ink/refill only for writing the answer book.
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SECTION - A

  1. a) Derive Schrodinger wave equation?
    b) State and explain de Broglie's Principle. 4
    c) Write the Postulates of Bohr's theory. 3
  2. OR

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  3. a) What is ionisation potential? What are the factors affecting ionisation potential. 6
    b) State and explain Aufbau Principle. 4
    c) Explain electron affinity? How it differs from electronegativity. 3
  4. a) Define lattice energy? How it is calculated by Born-Haber cycle.
    b) Differentiate covalent and ionic bond. 4

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    c) Explain the following 4
    i) Inert pair effect ii) Metallic bond
  5. OR

  6. a) What is meant by hybridisation? Explain SP3 hybridisation with suitable examples. 4
    b) What is hydrogen bond? Classify with suitable example. 5

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    c) Explain the following 4
    i) Coordinate bond ii) Odd electron bond
  7. a) What is meant by hardness? Explain the ion exchange process.
    b) Calculate temporary and permanent hardness of water sample containing
    Mg(HCO3)2 =73mg/l

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    Ca(HCO3)2 =16.3ppm
    MgCl2 =9.5ppm
    CaSO4 =13.6mg/l
    c) Write the disadvantages of hard water in industries. 4
  8. OR

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AW -2929 1 P.T.O

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  1. a) What is softening of water? 6

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    b) Write the effect of water on rock and minerals. 4
    c) Differentiate scale and sludge formation. 4

SECTION -B

  1. a) What is Ore? Describe froth flotation process. 5
    b) What are compositions of bronze? Discuss their properties and applications. 4

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    c) Why alloys required? Write any four points. 4
  2. OR

  3. a) Discuss magnetic separation and Gravity separation method. 6
    b) Explain with reaction 4
    i) Calcination ii) Roasting

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    c) What is Brass? Give its properties and uses. 3
  4. a) What are the factors affecting on corrosion. 5
    b) Explain the following 4
    i) Galvanic corrosion ii) Waterline corrosion
    c) What is cathodic corrosion? Discuss impressed current cathodic protection. 4
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    OR

  6. a) Explain the following 9
    i) Pitting corrosion
    ii) Intergranular corrosion
    iii) Stress corrosion

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    b) What is wet corrosion? Discuss the mechanism 4
  7. a) Discuss the manufacturing process of Portland cement by wet method. 6
    b) What is meant by refractory? Classify. 4
    c) Give the composition and uses of 4
    i) Soda glass ii) Borosilicate glass
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    OR

  9. a) Discuss the manufacture process of glass. 6
    b) Why cement called Portland cement? Explain the role of Gypsum in cement. 4
    c) Write any two properties and uses of refractory. 4

AW -2929 2

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This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university

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