G10 L1 P2

The measurement process involves two main points, .................. .

• measuring tool and suitable measuring unit.

• measuring tool and measured value.

• numerical value and suitable measuring unit.

The apparatus in the picture is used to measure ............

• volume of liquids.

• mass of substances.

• density of liquids.

• temperature.

The lab tool in the picture is called .............. .

• a pipette.

• a volumetric pipette.

• a burette.

• a test tube.

The lab tool in the picture is graduated and very accurate so, it is used to transfer liquids from one place to another during experiments.

• True

• False

A ................ has a mark at its top and measures volumes of liquids very accurately. It is used in preparing standard solutions.

• round-bottom flask

• conical flask

• buchner flask

• volumetric flask