KS3 7E Acids and Alkalis

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  • 7/31/2019 KS3 7E Acids and Alkalis

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    Acids and Alkalis

    KS3 Unit 7E

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    What is the pH of a neutral solution?

    pH1 pH7 pH11 pH14

    25% 25%25%25%1. pH 1

    2. pH 7

    3. pH 11

    4. pH 14

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    What is the pH of a strongly acidic solution?

    pH1 pH7 pH11 pH14

    25% 25%25%25%

    1. pH 1

    2. pH 7

    3. pH 11

    4. pH 14

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    What is the pH of a strongly alkaline solution?

    pH1 pH5 pH7 pH14

    25% 25%25%25%1. pH 1

    2. pH 5

    3. pH 7

    4. pH 14

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    Where on the pH scale would you

    put lemon juice?

    W X Y Z

    PointW

    PointX

    PointY

    PointZ

    25% 25%25%25%1. Point W

    2. Point X

    3. Point Y

    4. Point Z

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    Bee stings are acidic. Which of these

    chemicals should you put on a bee sting?

    Vinegar

    Lemo

    nJuic

    e

    Distille

    dWate

    r

    B

    icarbon

    ateofSod

    a

    25% 25%25%25%

    1. Vinegar

    2. Lemon Juice

    3. Distilled Water

    4. Bicarbonate of Soda

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    Complete this equation:

    Acid + Base

    Carbon

    diox

    ide

    Wate

    r

    Salt

    +water

    Salt

    +gas

    25% 25%25%25%

    1. Carbon dioxide

    2. Water

    3. Salt + water

    4. Salt + gas

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    25cm3 of Hydrochloric Acid is added to 25cm3

    of Sodium Hydroxide. What kind of reaction will

    take place?

    Fertilis

    ation

    Corrosio

    n

    N

    eutra

    lisation

    Evaporatio

    n

    25% 25%25%25%

    1. Fertilisation

    2. Corrosion

    3. Neutralisation

    4. Evaporation

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    What salt is made in this reaction?

    Hydrochloric Acid + Sodium Hydroxide

    Sodiu

    mHy

    drate

    Hy

    drogen

    Chlo

    ride

    Sodium

    Sulp

    hate

    Sodium

    Chlo

    ride

    25% 25%25%25%

    1. Sodium Hydrate

    2. Hydrogen Chloride

    3. Sodium Sulphate

    4. Sodium Chloride

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    What salt is made in this reaction?

    Sulphuric Acid + Sodium Hydroxide

    Sodiu

    mHy

    drate

    Hy

    drogen

    Chlo

    ride

    Sodium

    Sulp

    hate

    Sodium

    Chlo

    ride

    25% 25%25%25%

    1. Sodium Hydrate

    2. Hydrogen Chloride

    3. Sodium Sulphate

    4. Sodium Chloride

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    Carbon dioxide is given off when:

    Acarbon

    atereacts

    w...

    Wate

    risa

    dded

    toan...

    Ametalr

    eacts

    with

    a...

    Asaltr

    eactsw

    ithan

    ...

    25% 25%25%25%

    1. A carbonate reacts with an acid

    2. Water is added to an acid

    3. A metal reacts with an acid

    4. A salt reacts with an acid

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    Hydrogen is given off when:

    Acarbon

    atereacts

    w...

    Wate

    risa

    dded

    toan...

    Ametalr

    eacts

    with

    a...

    Asaltr

    eactsw

    ithan

    ...

    25% 25%25%25%

    1. A carbonate reacts with an acid

    2. Water is added to an acid

    3. A metal reacts with an acid

    4. A salt reacts with an acid