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Quantitative Testing Questions and Complete Solutions Graded A+

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Quantitative Testing Questions and Complete Solutions Graded A+

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Quantitative Testing Questions and
Complete Solutions Graded A+
What does quantitative testing tell you? - Answer: Amount of a substance present in a sample



What test is semi-quantitative? - Answer: Test for reducing sugars



What method can be used for all reducing sugars? - Answer: Colorimeter



What is needed in colorimetry? - Answer: Known concentrations of reducing sugar



What technique is used in colorimetry to make the different concentrations? - Answer: Serial Dilution



What other type of test can be used to identify glucose? - Answer: Test Strips



What are the test strips coated in to identify glucose? - Answer: Reagent



What happens if the test strip changes colour? - Answer: Glucose is present



How is the test strip method a quantitative test? - Answer: Colour can be compared to a chart to
indicate the concentration present



What take a biochemical variable which can't easily be measured and convert it to an electrical signal? -
Answer: Biosensors



What can biosensors be used to detect? - Answer: Contaminants in water

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