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Q: Which of the following pairing is incorrect
  • A. Hygrometer–Water vapour content of the atmosphere
  • B. Lactometer–Specific gravity of liquids
  • C. Anemometer–Speed of the wind
  • D. Seismograph–Earthquakes
Correct Answer: Option B - (a) Hygrometer - Water vapour contained by the atmosphere. (b) Lactometer - Milk concentration (c) Anemometer - Speed of the wind (d) Seismograph - Earthquakes
B. (a) Hygrometer - Water vapour contained by the atmosphere. (b) Lactometer - Milk concentration (c) Anemometer - Speed of the wind (d) Seismograph - Earthquakes

Explanations:

(a) Hygrometer - Water vapour contained by the atmosphere. (b) Lactometer - Milk concentration (c) Anemometer - Speed of the wind (d) Seismograph - Earthquakes