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Inorganic chemistry Unit I

Quiz by Dr. V.S.Angulakshmi PSGRKCW

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20 questions
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  • Q1

    All silicates contain the ------------------- units

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    30s
  • Q2

    Hybridisation in silicates are _______________

    sp2

    sp

    sp3

    30s
  • Q3

    (SiO4)4-   unit has a ---------------- structure

    Tetrahedral 

    Trigonal bipyramidal

    Octahedral 

    Square planar

    30s
  • Q4

    Depending upon the __________ of (SiO4)4-  tetrahedral units, silicates can be classified

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    30s
  • Q5

    Willemite is an example of ___________ silicates

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    30s
  • Q6

    Garnets having the general formula --------------

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    30s
  • Q7

    Pyrosilicates contain -------- units

    (S2O)6-  

    None of these

    SO

    30s
  • Q8

    Pyrosilicates units are formed by joining 2 tetrahedral units through ______________ oxygen atom

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    30s
  • Q9

    Thortveitite is an example of ______________ silicates

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    30s
  • Q10

    2 bridging oxygen per silicon atom, a simple ______ silicates formed

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    30s
  • Q11

    In chain silicates for  example, contains 5 silicon atoms, therefore silicate anion carrying -___________ negative charges

    10

    3

    5

    30s
  • Q12

    Chains are found in minerals called ____________

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    30s
  • Q13

    Spodumene is an example of ______________ silicates 

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    30s
  • Q14

    Beryl is an example of 3 dimensional silicates. State it is true or false

    false
    true
    True or False
    30s
  • Q15

    Example of 3d silicates is quartz. Whether it is true or false

    true
    false
    True or False
    30s

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