General Introduction to Physical Science

Identify this piece of scientific equipment:

• Side-arm test-tube

• Burette

• Pipette

• Retort stand

Which of the following pieces of chemistry lab equipment is used for heating substances to very high temperatures?

• Erlenmeyer Flask

• Crucible

• Beehive shelf

• Beaker

The following piece of scientific equipment is called a

• Distillation flask

• Volumetric flask

• Conical/Erlenmeyer flask

• Pipette

This apparatus is best used to heat substances that release gases

• Flat bottomed flask

• Gas jar

• Separating funnel

• Side-arm test-tube

The volume of the liquid in the measuring cylinder is

• 66ml

• 70ml

• 72ml

• 68ml

What is the volume of the following container (in cubic cm)?

• 400

• 25142.86

• 12571.42

• 6285.71

Which of the following are true when measuring the volume of irregularly shaped solids and liquids?

A. Narrow cylinders are more accurate than wide cylinders

B. Wide cylinders are more accurate than narrow cylinders

C. The volume of an irregularly shaped object can be measured using water displacement

D. A Measuring cylinder, Pipette, Burette and Round bottomed flask are apparatus that can measure the volume of liquids

• A, C and D

• A and C

• A and D

• B, C and D

Place the following steps to light the bunsen burner in the correct order:

A. Light a match by pulling it along the box and away from you and then place it above the barrel.

B. Open the air hole to acquire a non-luminous flame.

C. Turn the collar so that the air hole is closed.

D. Check that the rubber tubing is connected properly to the gas tap.

E. Open the gas tap and a luminous flame will be obtained.

• D, C, A, B, E

• D, A, C, E, B

• A, D, E, C, B

• D, C, A, E, B

Which is true about a non-luminous flame

• The hottest part of the flame being just below the tip of the Blue Zone

• It is hotter than a luminous flame

• It occurs when the air holes are closed

• It is orange

You are heating a piece of glass and now want to pick it up. You should

• pour cold water on it

• use a rag or paper towels

• pick up the end that looks cooler

• use tongs