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Acids, Alkalis, Salts and Indicators

Quiz by DARREN ATWAROO

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15 questions
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  • Q1
    Acids taste
    sour
    bitter
    salty
    sweet
    30s
  • Q2
    Acids react with
    bases to produce salts and water
    salts to produce bases and water.
    neither bases, salts, nor water
    water to produce bases and salts.
    30s
  • Q3
    How will acids react with moist Red litmus paper?
    turn it into purple
    turn it into blue
    No change
    turn it into green
    30s
  • Q4
    Complete the equation:… Magnesium + hydrochloric acid —> ……..+ water
    Magnesium chlorite
    Magnesium hydrochloride
    Magnesium chloride
    Magnesium chlorate
    30s
  • Q5
    An alkali is able to “cancel” out an acid. What is the chemical name for cancelling out the acid?
    neutralise
    annihalate
    nullify
    overcome
    30s
  • Q6
    In an experiment some pupils found that baking soda had a pH of about 9. Some people claim this substance can be used to treat bee stings. Bee stings must be
    life threatening
    acid
    neutral
    alkaline
    30s
  • Q7
    What does this paper indicate?
    Question Image
    The liquid is water
    The paper is nonreactive
    The liquid is acidic
    The liquid is alkaline
    30s
  • Q8
    A purple colour when using universal indicator indicates the solution is
    neutral
    blackcurrant juice
    acidic
    alkali
    30s
  • Q9
    What does lemon juice contain to make it acidic?
    sodium hydroxide
    hydrochloric acid
    citiric acid
    baking soda
    30s
  • Q10
    Milk of magnesia is a medicine used to treat indigestion. Milk of magnesia is most likely to be
    acidic
    neutral
    from a cow
    alkali
    30s
  • Q11
    What number on the scale represents a neutral level?
    14
    1
    7
    8
    30s
  • Q12
    And speaking about neutral, what color represents neutral on the pH scale?
    purple
    yellow
    green
    red
    30s
  • Q13
    What salt is formed between the reaction of Hydrochloric acid and Sodium hydroxide?
    Calcium chloride
    Sodium chloride
    Copper sulphate
    Sodium sulphate
    30s
  • Q14
    Where would you expect to find an acidic result on the pH scale?
    Towards the higher numbers
    Towards the lower numbers
    In the middle
    30s
  • Q15
    Alkalis can be used to make
    soaps
    batteries for vehicles
    fruit juices
    ketchup
    30s

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