Experimental and Measurement Techniques

What would a chemist use to measure exactly 26.5cm³ of a liquid?

• Beaker

• Burette

• Measuring Cylinder

• Pipette

Ammonia cannot be collected by displacement of water. Why?

• Ammonia is insoluble in water.

• Ammonia is soluble in water.

• Ammonia is denser than air.

• Ammonia is less dense than air.

what is drying agent used in the method on picture

• calcium carbonate

• calcium oxide

• fused calcium oxide

• concentrated sulfuric acid

What is the volume of the liquid in the graduated cylinder?

• 52.0 ml
• 51.0ml
• 51.8ml
• 51ml

Which is the apparatus with the highest accurace?

• beaker

• burette

• pipette

• measuring cylinder

When do we use upward delivery to collect a gas?

• It is denser than air.

• It is less dense than air.

• It has same density as air.

When do we use downward delivery to collect a gas?

• It is denser than air.

• It is less dense than air.

• It has same density as air.

A gas is insoluble in water and less dense than air. Which method do you use to collect the gas?

• misplacement and upward

• misplacement and downward

• displacement and upward

• displacement and downward

What is the reading in the measuring cylinder above?

• 46cm³

• 46.0cm³

• 34cm³

• 34.0cm³

What is the reading in the burette above?

• 33.40cm³

• 32.60cm³

• 17.40cm³

• 16.60cm³