1.2

Multiple Choice

Why is a science laboratory important for scientific investigations and experiments?

• It provides a controlled environment for experiments.

• It is a place to store chemicals only.

• It is used only for teaching theory.

• It is a place for social gatherings.

Open Ended

What is the main difference between a test tube and a beaker in terms of their use in the laboratory?

Multiple Choice

Which laboratory apparatus would you use to measure a fixed volume of liquid accurately?

• Measuring cylinder

• Burette

• Pipette

• Beaker

Multiple Choice

Which apparatus would you use to support a beaker while heating it over a flame?

• Wire gauze

• Tripod stand

• Filter funnel

• Evaporating dish

Multiple Choice

Which of the following hazard symbols indicates a substance that can burn skin?

• Explosive

• Corrosive

• Flammable

• Radioactive

Fill in the Blanks

Name two chemicals that must be stored in paraffin oil due to their high reactivity with air.

Fill in the Blanks

List three general lab rules that should always be followed for safety.

Multiple Choice

Which of the following is the correct first step if you come into contact with a chemical in the lab?

• Report to the teacher

• Rinse with plenty of water immediately

• Use a fire extinguisher

• Turn off electricity

Fill in the Blanks

What does the hazard symbol of a skull and crossbones represent?

Fill in the Blanks

Name the apparatus used to measure a FIXED volume of liquid.

Fill in the Blanks

Why must Lithium be stored in paraffin oil?

Fill in the Blanks

Why is a wire gauze used when heating a beaker?

Multiple Choice

Which of the following actions should be performed first if you accidentally spill a corrosive chemical on your hand?

• Report to the teacher

• Rinse hand with plenty of water

• Use a fire extinguisher

• Turn off electricity

Multiple Choice

What is the main purpose of a science laboratory?

• To play games

• To conduct scientific investigations and experiments

• To store books

• To hold meetings

Multiple Choice

What is the first thing you should do if you accidentally spill a chemical on your hand during a science experiment?

• Report the accident to the teacher immediately

• Rinse your hand with plenty of water immediately

• Cover your hand with a cloth

• Ignore it if it doesn't hurt