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12 questions from this quiz
Hydrogen ion (H+\text{H}^+H+) concentration
Glass electrode creates electric potential
Concentration of specific metal ions
Atoms absorb light at set wavelengths
Lead, cadmium, mercury
Monitoring river and lake metal levels
Intensity of colour in the sample
Forms a coloured compound
Nitrates, phosphates, chlorine
5 days at 20°C
High organic pollutant concentration
Oxygen depletion endangering life
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