QUIZ
Acids and Alkalis
2 years ago by
Gordon Francis
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  • Question 1
    30 seconds
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    Q.

    What is the pH of distilled water?

    answer choices

    pH 12

    pH 3

    pH 8

    pH 7

  • Question 2
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    Q.

    What colour does red litmus paper turn when added to an alkali?

    answer choices

    Blue

    Red

    Green

    Colourless

  • Question 3
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    Q.

    What colour does blue litmus paper turn when added to an acid?

    answer choices

    Blue

    Red

    Green

    Colourless

  • Question 4
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    Q.

    What other laboratory substance can you use to test if colourless substance is an acid or an alkali?

    answer choices

    Catalyst

    Salt

    Universal Indicator

    Water

  • Question 5
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    Q.

    What happens to the pH of an acid during neutralisation?

    answer choices

    It stays the same

    It moves toward pH 1

    It moves towards pH 7

    It moves towards pH 14

  • Question 6
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    Q.

    A wasp sting is alkali. Which substance would neutralise the sting?

    answer choices

    Vinegar

    Bleach

    Baking soda

    Distilled water

  • Question 7
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    Q.

    If you wanted to test a colourless and odourless substance at home, what household item could you use?

    answer choices

    Red cabbage water

    Bleach

    Water

    Vinegar

  • Question 8
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    Q.

    Which substance is an acid?

    answer choices

    Water

    Bleach

    Orange juice

    Washing powder

  • Question 9
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    Q.

    Which pH levels indicated a strong acid?

    answer choices

    1-3

    4-6

    8-11

    12-14

  • Question 10
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    Q.

    Which pH level indicates a weak alkali?

    answer choices

    1-3

    4-6

    8-11

    12-14

  • Question 11
    30 seconds
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    Q.

    Which pH level indicates a weak acid?

    answer choices

    1-3

    4-6

    8-11

    12-14

  • Question 12
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    Q.

    Which pH level indicates a strong alkali?

    answer choices

    1-3

    4-6

    8-11

    12-14

  • Question 13
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    Q.

    Acids taste...

    answer choices

    Sweet

    Salty

    Sour

    Smooth

  • Question 14
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    Q.

    Alkalis feel...

    answer choices

    Rough

    Granulated

    Soapy

    Smooth

  • Question 15
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    Q.

    Strong acids and alkalis are...

    answer choices

    Sour

    Sweet

    Corrosive/Caustic

    Burn litmus paper

  • Question 16
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    Q.

    What does this hazard symbol mean?

    answer choices

    toxic

    flammable

    corrosive

    explosive

  • Question 17
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    Q.

    What pH range would you get for an acid?

    answer choices

    0-6

    7

    7-14

    2-10

  • Question 18
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    Q. Pure water has a pH of 7. Pure water _______.
    answer choices
    is a base
    is a neutral substance
    could be either an acid or a base
    is an acid
  • Question 19
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    Q.
    answer choices

    PH scale

    pH ruler

    pH scale

    pH statistical tables

  • Question 20
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    Q. What is the pH value of vinegar?
    answer choices
    1
    7
    4
    11
  • Question 21
    120 seconds
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    Q. A solution with a pH of 8.6 would be...
    answer choices
    Acid
    Base
    Neutral
    Acid and Base
  • Question 22
    900 seconds
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    Q.

    Acid + Alkali --> Salt + Water

    answer choices

    neutralization reaction

    synthesis

    decomposition

    single displacement

  • Question 23
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    Q. A neutralization reaction will always produce...
    answer choices
    water & salt
    water
    salt
    water & carbon
  • Question 24
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    Q.

    Something that can be used to identify acid/alkali:

    answer choices

    Indicator

    Oxidator

    Reductor

    Terminator

  • Question 25
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    Q.

    Which of the following acids do we have in our stomach?

    answer choices

    Ethanoic acid

    Hydrochloric acid

    Nitric acid

    Sulphuric acid

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