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EXPERIMENTAL TECHNIQUES IN CHEMISTRY

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    EXPERIMENTAL TECHNIQUES IN CHEMISTRY

    FSC level entry test notes


    Chemistry:
    EXPERIMENTAL TECHNIQUES IN CHEMISTRY



    1.
    2.
    3.
    4.
    5.
    6.

    Analytical chemistry is the science of:

    1. (A) Chemistry characterization
    2. (B) Physical characterization
    3. (C) Biological characterization
    4. (D) Biochemistry characterization

    A complete chemical characterization of a compound mustinclude:

    1. (A) Qualitative analysis
    2. (B) Chemical analysis
    3. (C) Quantitative analysis
    4. (D) Both a and c

    EstimateofNainseawaterisanexampleof:

    1. (A) Numerical analysis
    2. (B) Qualitative analysis
    3. (C) Quantitative analysis
    4. (D) None of these

    Thedetectionoffunctionalgroupiscalled:

    1. (A) Numerical analysis
    2. (B) Qualitative analysis
    3. (C) Combustion analysis
    4. (D) Quantitative analysis

    ThesamplebeinganalyzediscalledA) Electrolyte
    (B) Substance
    (C) Analyte

    (D) All of the aboveThesolidremainedonfilterpaperduringfiltration iscalledthe:



    (A) Substance(B) Residue(C) Undue(D) Filtrate
    7. ThefiltrationprocessisusedtoseparatesolidfromA) Liquid
    (B) Gas
    (C) Solid
    (D) All of above

    8. Thetipoffunnelshouldbe1or2cmlargerthanthecircleoft heA) Beaker
    (B) Solid
    (C) Filter paper(D) Liquid

    9. Thetipofthefunnelshouldtouchthesideofthebeakerinor derto avoid:
    (A) Splashing
    (B) Leakage
    (C) Mixing
    (D) Contamination



    10.be:
    (A)(B)(C)(D)
    11.
    (A)

    (B)(C)

    Selection of filter paper depends upon sizes of particles to
    TestedFilteredCheckedAll of above
    Sintered glass is a porous material used for:Absorption
    Decoration
    Filtration




    (A)(B)(C)(D)
    13.(A)
    (B)(C)(D)
    14.

    Freezing point
    Room temperatureBoiling point
    Sea level temperature

    95% ethanol is called:Rectified ether
    Diesel
    Rectified point

    Petrol
    The solution left after the formation of crystal is called:Residue
    Filtrate
    Mother liquor
    None of these
    Which one of the following substances is not used as drying



    (D) All of above
    A suitable solvent dissolve maximum amount of solute at its



    12.
    boiling point and minimum amount at:



    (A)(B)(C)(D)


    15.
    agent in desiccators



    (A) Silica gel
    (B) CaCl2
    (C) Phosphorous Pent oxide(D) NaCl (50%)

    ANSWERS:
    1) A2) D3) C4) B5) C



    6) B
    7) A
    8) C
    9) A10) B11) C12) B13) C14) C15) D
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