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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Potable Water (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Potable Water' from the broader topic Using Resources. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What is the main purpose of filtration through sand and gravel in a water treatment plant?
Which method is commonly used to disinfect potable water by killing bacteria and viruses?
Which technology removes dissolved salts and many impurities by forcing water through a semipermeable membrane?
Why is monitoring the chlorine residual important at the far end of a drinking water distribution system?
What is the main purpose of screening during water treatment at a waterworks?
A supplier finds nitrate (NO3-) concentration above safe levels in groundwater used for drinking. Which is the main health concern?
Which treatment step is most important specifically to remove dissolved iron and manganese that cause staining and taste issues?
Why might a water supplier add a small dose of fluoride to drinking water?
What key advantage does reverse osmosis (RO) have over simple distillation for producing potable water from seawater?
Why might a water company use both filtration and chlorination together, rather than only one of these steps?
What does a high turbidity reading indicate about a water sample?