In the clinical thermometer, the function of the kink is to i. Prevent the back...

WAEC 2016

In the clinical thermometer, the function of the kink is to i. Prevent the back flow of mercury after use. ii. Ensure the back flow of mercury after use. iii. Maintain the thermometric property of mercury. iv. Allow the temperature attained to be read.

A. i only
B. i and ii only
C. i and iv only
D. iii and iv only

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Correct Answer: Option C

Explanation

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