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WorksheetsExperimental Techniques
Total questions: 20
Worksheet time: 12mins
what is name of apparatus on picture?
measuring pipette
beaker glass
measuring cylinder
funnel
What is the uses of apparatus on pictures?
measuring of mass
measuring of temperature
measuring of gas
measuring of volume
If you are injured in the laboratory, you should first
visit the nurse after class.
see a doctor after school.
notify your science instructor.
apply first aid yourself.
What is the name of the apparatus shown?
Flame generator
Bunsen Honeydew device
Bunsen Burner
Gas-induced hydroflame
What is the name of the apparatus shown?
Fish Scale
Gravimetric Weighing Device
Digital Balance
Triple Beam Balance
What is the name of the apparatus shown?
Funnel cake
Funnel
Funnel of Terror
Funnelizator
What is the name of the apparatus shown?
Test Tube Rack
Finger Diameter Tester
Drying Rack
Chemical Analysis Holder
What is the reading of the meniscus?
36mL
45mL
35.0mL
30.5mL
What is the volume of the water?
24 mL
21.5 mL
20.5 mL
22 mL
Mention the use of this apparatus
For keeping the test tube
For supporting the apparatus during heating
For drying other apparatus
Used as a shelf
Apparatus used for heating small quantity of chemicals
Beaker
Flask
Test tube
Gas jar
Which of the following is the correct laboratory rule?
Eating in the laboratory while doing practical during lunch time
Running in the laboratory when he is in a hurry
Poking the electrical power points with sharp objects
Using the apparatus in the laboratory only when told to do the science teacher
The following are some safety rules in a laboratory. Which one is not correct?
Do not eat or drink in the laboratory
Do not report any injury, however small, to the teacher
Do not taste chemicals in the laboratory
Do not run in the laboratory
A student working in a laboratory accidentally spilled concentrated hydrochloric acid on his hand. The most practical thing to do is __________.
To go to the hospital immediately
To rub the hand with a wet towel
To rub the hand with a dry towel
To wash the hand quickly under running water
1. What should you do before you start lab?
Read all the procedures in laboratory manual
Make sure your work area is dirty
Enter laboratory without teachers permission
Eat in the laboratory
What does this symbol stand for?
Flammable
Toxic
Deadly
Corrosive
This symbol tell us the chemical it is labelling is:
Harmful to the environment
Dangerous
Toxic
Poisonous
Identify the Image
Radioactive
Flammable
Biological hazard
Toxic
What does this safety symbol mean?
flammable
oxidising
hot
explosive
