Sec 1 | Chemistry | Quiz 1 | Chapter 1

A student investigate the speed of reaction between a lump of zinc and an acid at room temperature.

Which other apparatus does the student need for this experiment?

• Thermometer.

• Bunsen flame.

• Stop watch.

• Graduated cylinder.

A student is asked to measure the time taken for 4 g of magnesium carbonate to reacts completely with 25 ml (an excess) of dilute hydraulic acid.

Which pieces of apparatus does the student need?

• Balance, clock, pipette

• Balance, clock, thermometer

• Balance, pipette, thermometer

• Clock, thermometer , pipette

What is the tool used in preparing potassium hydroxide solution to be used in the determination of the concentration of sulphuric acid?

• Burette.

• Round-bottom flask.

• Beaker.

• Volumetric flask.

The measuring tool which is used to measure the volume of the liquids accurately is -----

• flask.

• beaker.

• pipette.

• graduated cylinder.

The reading of this graduated cylinder is -----------

• 42 cm³

• 40 cm³

• 38 cm³

• 36 cm³