Question

Statement I: Digital oral thermometers are contactless thermometers which do not use mercury.
Statement II: Mercury is a toxic substance and is very difficult to dispose of.

• A. Statement I is incorrect and statement II is correct.
• B. Statement I is correct and statement II is incorrect.
• C. Both statements are correct.
• D. Both statements are incorrect.

Answer 1

The correct option is A Statement I is incorrect and statement II is correct.

Digital oral thermometers are kept in the mouth like other mercury thermometers to measure body temperature. Digital thermometers do not use mercury. Infrared thermometers are contactless thermometers.
Mercury is a toxic substance and is very difficult to dispose of if a mercury thermometer breaks.