Which of the following pairs shows the appropriate laboratory glassware and standard unit to measure and express the volume of a liquid, respectively?A. Thermometer - ounceB. Erlenmeyer flask - literC. Graduated cylinder - literD. Spring balance - kilogram
Answer (1)
The correct answer is C. Graduated cylinder – literExplanationA graduated cylinder is the proper laboratory glassware used to measure the volume of a liquid accurately.The liter (L) is the standard metric unit for expressing liquid volume.Other options are incorrect because,A. Thermometer measures temperature, not volume.B. Erlenmeyer flask is mainly for mixing or heating, not precise measurement.D. Spring balance measures mass, not volume.
