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Questions and Answers
Which physical state of water requires the most energy to change to another state?
Which physical state of water requires the most energy to change to another state?
At what temperature does water boil?
At what temperature does water boil?
What process occurs when water changes from a gas to a liquid state?
What process occurs when water changes from a gas to a liquid state?
What is the primary factor that affects the rate of evaporation of water?
What is the primary factor that affects the rate of evaporation of water?
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What process occurs when water changes from a liquid to a gas state?
What process occurs when water changes from a liquid to a gas state?
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What is the primary factor that affects the rate of dissolving of a solute in water?
What is the primary factor that affects the rate of dissolving of a solute in water?
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What process occurs when water changes from a solid to a liquid state?
What process occurs when water changes from a solid to a liquid state?
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What is the primary factor that affects the rate of condensation of water vapor?
What is the primary factor that affects the rate of condensation of water vapor?
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What is the process called when water droplets in a cloud fall as rain?
What is the process called when water droplets in a cloud fall as rain?
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What is the process called when clouds are carried to other places by the wind?
What is the process called when clouds are carried to other places by the wind?
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Which of the following statements is true about solubility in water?
Which of the following statements is true about solubility in water?
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Which of the following is NOT a type of impurity that can be removed by sedimentation and filtration?
Which of the following is NOT a type of impurity that can be removed by sedimentation and filtration?
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Which method can be used to kill microorganisms in water?
Which method can be used to kill microorganisms in water?
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What can happen during a red tide?
What can happen during a red tide?
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How can human and animal waste in water be harmful?
How can human and animal waste in water be harmful?
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What is the main cause of water pollution?
What is the main cause of water pollution?
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What is the water treatment process in Hong Kong?
What is the water treatment process in Hong Kong?
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What can happen if we eat seafood contaminated with toxins during a red tide?
What can happen if we eat seafood contaminated with toxins during a red tide?
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Why is fresh water a precious natural resource?
Why is fresh water a precious natural resource?
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What can happen if the population of algae increases rapidly in water?
What can happen if the population of algae increases rapidly in water?
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