Experimental Design

Which of the following is the most suitable piece of laboratory apparatus for measuring the mass of a piece of magnesium ribbon?

• burette

• pipette

• electronic balance

• stopwatch

Which of the following is the most suitable piece of laboratory apparatus for measuring accurately 25.0cm³ of sodium hydroxide solution to a flask?

• burette

• pipette

• measuring cylinder

• conical flask

Which of the following is the most suitable piece of laboratory apparatus for measuring accurately 24.0cm³ of sodium carbonate solution to a flask?

• burette

• pipette

• measuring cylinder

• beaker

Which of the following is the most suitable piece of laboratory apparatus for measuring the volume of about 80cm³ of hydrochloric acid solution?

• burette

• pipette

• measuring cylinder

• beaker

Which of the following is the most suitable piece of laboratory apparatus for collecting and measuring 80cm³ of carbon dioxide?

• conical flask

• gas syringe

• measuring cylinder

• beaker

Which of the following is the correct way to record temperature?

• 37.0°C

• 37°C

• 37.0°

• 37.0

Which of the following setups can be used to collect a light and soluble gas such as ammonia, NH₃?

• downward delivery

• upward delivery

• over water (displacement of water)

• All of the three methods

Which of the following is the most suitable piece of laboratory apparatus for measuring the speed of a chemical reaction?

• burette

• pipette

• thermometer

• stopwatch