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Chemistry General

Quiz by tista sengupta

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5 questions
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  • Q1

    The chemical symbol Au stands for

    Astatine

    Silver

    Gold

    Copper

    30s
  • Q2

    What is the chemical name of laughing gas?

    Nitrogen pentoxide

    Nitrous oxide 

    Nitrogen dioxide

    Nitric oxide

    30s
  • Q3

    The central metal ion of chlorophyll is

    Fe(II)

    Mn(II)

    Mg(II)

    Co(II)

    30s
  • Q4

    The mixture of ethyl alcohol and water can be separated by

    evaporation

    distillation

    fractional distillation

    sublimation

    30s
  • Q5

    Which conformation of ethane is the most stable?

    Question Image

    all have same stability

    staggered 

    eclipsed

    gauche

    30s

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