Experimental Methods and Measurement Quiz

• To determine the density of a metal block and an unknown liquid. (correct)
• To use significant figures in calculated values.
• To measure the exact values of physical quantities.
• To establish a range of values for measurements.

• Due to the precision of the measuring device and the uniformity of the object being measured. (correct)
• Due to the limitations of the human eye in making measurements.
• Because the measuring devices are not accurate.
• Because the measurements are always rounded off to the nearest whole number.

• Skills in the use of volumetric pipettes and volumetric flasks. (correct)
• Skills in recording data and making measurements.
• Skills in determining the exact molar mass of a compound.
• Skills in using significant figures in calculated values.

<p>Establish a range of values within which the 'exact' value of the measurement is thought to lie. (B)</p> Signup and view all the answers

<p>To reflect the precision of the measurements used in the calculation. (A)</p> Signup and view all the answers