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PH scale

Quiz by Nicole Amaral

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13 questions
Show answers
  • Q1
    How does pH impact nutrient absorption in soil?
    It affects the availability of nutrients to plants
    It decreases the pH level of the soil
    It increases the pH level of the soil
    It has no effect on nutrient absorption
    30s
  • Q2
    How does high soil pH impact nutrient availability?
    It improves overall plant health
    It increases nutrient absorption
    It can lead to nutrient imbalances and deficiencies
    It enhances nutrient availability
    30s
  • Q3
    Which pH range is most favorable for nutrient absorption in soil?
    pH range of 8 to 9
    pH range of 4 to 5
    pH range of 3 to 4
    pH range of 6 to 7
    30s
  • Q4
    What is the pH value of pure water?
    10
    14
    7
    1
    30s
  • Q5
    Which of the following substances has a pH less than 7?
    Baking soda
    Lemon juice
    Soap
    Distilled water
    30s
  • Q6
    What is the pH of a strong acid?
    Less than 7
    Equal to 7
    Greater than 7
    Exactly 7
    30s
  • Q7
    What does a pH value of 14 represent?
    Highly acidic
    Slightly acidic
    Neutral
    Highly basic or alkaline
    30s
  • Q8
    Which of the following is a pH indicator used to measure the acidity or alkalinity of a solution?
    Litmus paper
    Filter paper
    Construction paper
    Sandpaper
    30s
  • Q9
    Which of the following substances has a pH greater than 7?
    Milk
    Ammonia
    Orange juice
    Vinegar
    30s
  • Q10
    What is the pH of stomach acid?
    Around 2
    Around 10
    Around 14
    Around 7
    30s
  • Q11
    Which of the following substances is considered neutral on the pH scale?
    Tonic water
    Vinegar
    Pure water
    Lemon juice
    30s
  • Q12
    What is the pH value of a strong base?
    Exactly 7
    Equal to 7
    Less than 7
    Greater than 7
    30s
  • Q13
    Which of the following substances has a pH close to 1?
    Bleach
    Battery acid
    Milk
    Orange juice
    30s

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