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A Level and O Level Chemistry

Quiz by Shafay Humayun

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4 questions
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  • Q1
    Which of the following elements has the highest electronegativity?
    Lithium
    Sodium
    Fluorine
    Chlorine
    10s
  • Q2
    Which of the following is an example of an exothermic reaction?
    Mixing baking soda and vinegar
    Melting ice
    Burning wood
    Evaporating water
    5s
  • Q3
    Which of the following is an example of an isomer?
    Butane
    Propanol
    Methane
    Ethanol
    10s
  • Q4
    Which of the following gases is known as the 'laughing gas'?
    Nitrous oxide
    Oxygen
    Carbon dioxide
    Hydrogen
    30s

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