1.6 Portable Water From Freshwater (GCSE Chemistry)

The following is a GCSE Chemistry test covering '1.6 Portable Water From Freshwater'

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Apart from reverse osmosis, desalination commonly involves:

What causes rainwater to be slightly acidic?

After initial filtration, the next step commonly is:

Which is the most common source of freshwater?

What is the first stage in making freshwater potable?

Reverse osmosis involves:

What role does sterilisation play in making water potable?

Freshwater from rivers and groundwater often needs treatment because:

What type of water is referred to as freshwater?

Which process is employed by countries having coastlines but limited freshwater sources?

Rainwater normally contains:

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