Water Pollution
Chemistry ⇒ Environmental Chemistry
Water Pollution starts at 9 and continues till grade 12.
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Describe how water pollution can affect human health.
Describe the process of biomagnification in relation to water pollution.
Describe two ways in which agricultural activities can lead to water pollution.
Explain how industrial waste contributes to water pollution.
Explain how thermal pollution affects aquatic ecosystems.
Explain the difference between point source and non-point source water pollution.
Explain what is meant by 'eutrophication' in the context of water pollution.
Explain why heavy metals in water are dangerous to humans.
The presence of which of the following in water indicates possible contamination by sewage?
(1) E. coli bacteria
(2) Oxygen
(3) Calcium ions
(4) Sodium chloride
Which of the following is a biological method for treating polluted water?
(1) Sedimentation
(2) Use of bacteria to break down waste
(3) Filtration
(4) Distillation
Which of the following is a chemical pollutant commonly found in water?
(1) Mercury
(2) Oxygen
(3) Nitrogen gas
(4) Sand
Which of the following is a common effect of acid rain on water bodies?
(1) Increase in pH
(2) Decrease in pH
(3) Increase in oxygen levels
(4) Decrease in temperature
Fill in the blank: ________ is the process by which harmful substances are added to water, making it unsafe for use.
Fill in the blank: ________ is the term for the process of removing suspended solids from water by allowing them to settle.
Fill in the blank: The excessive use of ________ in agriculture can lead to nutrient pollution in water bodies.
Fill in the blank: The presence of ________ in water can cause blue baby syndrome in infants.
Is boiling water an effective method to remove heavy metal pollution?
Is it true that plastic waste can contribute to water pollution?
Is it true that untreated sewage can cause water pollution?
Is it true that water pollution can affect the reproductive systems of aquatic animals?
