Font size
Worksheetschemistry form 4 chapter 1
Total questions: 21
Worksheet time: 18mins
Which industry in Malaysia used the knowledge of chemistry
Tourism and hospitality
Education
Legal services
Cosmetics and Personal care
What are the commonly used chemicals in our daily life?
Salt
Soap
Lithium
Antibiotics
Pesticide
Chemistry is a field of science that studies the... between matters.
Properties
Definitions
Structures
Compositions
Interactions
The word chemistry originated from the Arabic word?
Al-kimiya
Al-kimiyah
Al-kimya
What are the ways to preserve food?
With salt and sugar
Freezing the food in the refrigerator
Keep the food in a humid environment.
Using nanotechnology
Which in the following require chemical knowledge to solve problems?
Jigsaw puzzle
Biochemistry
Botany
Forensic
Does this careers need knowledge in chemistry?(Engineer)
Yes
No
Does this careers need knowledge in chemistry? (Medical assistant)
Yes
No
What is "A scientific investigation"
A scientific method uses in solving problems in daily life
Investigation on chemistry problems
A scientific method used in solving problems in science
What is a scientific method?
Systematic method used by scientists or researchers to solve problems related science
systematic method used by scientists or researchers to solve problems related to food
systematic method used by scientists or researchers to solve problems related to chemistry
systematic method used by scientists or researchers to solve problems related to kpop
Chose the correct order.
Observation,hypothesis, identifying
Hypothesis, observation, experiments
Observation, inference, hypothesis
Inference, observed, hypothesis
How important is it to wear your personal protective equipment while carrying out your experiments?
Not important
Only sometimes
Wear if you feel the need to
Always wear in the laboratory
What is safety shower?
Used for washing and cleaning the eye when accidents occur on parts of the eye.
Is used to wash and clean the body when a chemical accident occurs on parts of the body.
This equipment is used to extinguish fire on clothings.
Use for showering in the laboratory
What happen if you didn't dispose chemical without following the correct disposal procedure?
It will explode
Causes environmental pollution
Destroys the habitat of flora and fauna
Endangers human health
What is the use of "face mask"?
Used for preventing dust or splashes of chemicals from getting into the eyes.
Used for handling chemicals to protect hands from injuries, chemicals or infections.
Used for protecting the respiratory organs from chemicals in the form of powder or fumes.
Used to cover your face because you got hit by school air
Reactive metals such as lithium, sodium and potassium are stored in paraffin oil to prevent reaction with the moisture in the air.
True
False
Toxic substances and heavy metals should be kept in special labelled containers and kept in a locked room which is heated.
True
False
Solid wastes like glass and rubber can be disposed in normal rubbish bin.
True
False
Solutions containing heavy metals and toxic substances have to be kept in plastic bags and the solutions be left to evaporate in the fume chamber. Then, the bag of heavy metal residue is tied carefully and is put into the container of heavy metal waste. This type of substances should be discarded and disposed according to standard procedures.
True
False
What are the symptoms of Mercury poisoning?
Nausea
Choughing
Sore throat
Eye irritation
Vision problem
What is the first thing you do when theres an emergency happens in the laboratory?
Pull out your phone to record the situation
Try to hide it from your teacher
Blaming and arguing with your friend
Inform your teacher or the laboratory assistant about the accident immediately
