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POST TEST PROJECT SOAR

Quiz by SHELDON DALA

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10 questions
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  • Q1

    Which set of quantum numbers uniquely defines one of the electrons in an atomic orbital with n = 2 and l = 0?

    n = 2, l = 0,ml = 1, ms = +½                               

    n = 2, l = 0,ml = 0, ms = +1

    n = 2, l = 0,ml = 1, ms = +1                                

    n= 2, l = 0, ml = 0, ms = +½

    30s
  • Q2

    The following compounds are commonly found in nature or in our households. Which do you think will have the highest melting/boiling point if we are to subject those substances to heating?

    dihydrogen monoxide(water)

    oxygen gas

    sucrose(sugar)

    Sodiumchloride (NaCl)                                          

    30s
  • Q3

     What happens to the electron of a metal element in ionic bonding forming a compound?

    shared unequally with non-metal

    none of the choices

    transferred to non-metal

    shared to a non-metal

    30s
  • Q4

    What atom is most likely to form as an inorganic compound when it is bonded with a Carbon atom?

    hydrogen atom

    oxygen atom

    Sodium atoms

    Carbon atom

    30s
  • Q5

    Which of the following compounds is classified as organic compounds?

    CBr4

    C3H8  

    CO2

    CaCO3

    30s
  • Q6

    All of these are found in every household. Which of the following household products does not belong to the group?

    Milk of Magnesia – Mg(OH)2                                           

    table salt- NaCl

    table sugar – C6H12O6

    bleach– NaClO                                                 

    30s
  • Q7

    Below are formulas of organic compounds, which of the following is/are condensed structural formulas?    

    Question Image

    I and III

    I only

    II and IV

    II only

    30s
  • Q8

    The following are examples of covalent compounds, which molecule is equivalent to 1mole?

    Question Image

    II only

    III and IV

    I only

    I and II

    30s
  • Q9

    The world is experiencing a pandemic situation because of COVID-19.  It is advised that one should boost his or her immune system.  Taking ascorbic acid(C6H8O6) or commonly known as vitamin C daily will help you boost your immune system. This vitamin is usually given in a 500mg (0.5 g) tablet. If you take one tablet per day for 15 days, how many molecules of ascorbic acids will you have?

    2.56x 1022 molecules C6H8O6                           

     2.56 x 1023 molecules C6H8O6

    2.56x 1024 molecules C6H8O6

    2.56x 1021 molecules C6H8O6                             

    30s
  • Q10

    Ferrous sulfate or iron (II) sulfate is a supplement prescribed to persons who have iron-deficiency anemia. It has a chemical formula of FeSO4.Determine the percentage of iron in this compound with a molar mass of 152g/mol.

    56%

    42%

    37%

    21%

    30s

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