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In November 2018, researchers from which IIT developed a smartphone-based system to detect adulteration in milk?

Question and options

In November 2018, researchers from which IIT developed a smartphone-based system to detect adulteration in milk?
  1. IIT Roorkee
  2. IIT Kanpur
  3. IIT Madras
  4. IIT Hyderabad

Answer and explanation

Correct answer: D - IIT Hyderabad
Researchers at IIT Hyderabad developed a smartphone-based system in 2018 in which an indicator paper changes colour with the milk's acidity and a phone camera reads the result to flag adulteration. The other institutes were not behind this device.

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