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Questions and Answers
Which type of chemicals can cause damage to the surroundings by producing gas at high temperature and pressure?
Which type of chemicals can cause damage to the surroundings by producing gas at high temperature and pressure?
- Acetylides (correct)
- Nitrogen triiodide
- Perchlorate salts
- Organic solvents
What is the main trigger for explosive chemicals to undergo rapid chemical change?
What is the main trigger for explosive chemicals to undergo rapid chemical change?
- Sound
- Light
- Magnetism
- Heat (correct)
Which classification of pictograms alerts users about the chemical hazards they may be exposed to?
Which classification of pictograms alerts users about the chemical hazards they may be exposed to?
- Chemical Hazard Pictogram
- Physical Hazard Pictogram
- Health Hazard Pictogram (correct)
- Environmental Hazard Pictogram
What is the color of the background of a pictogram as required by the Hazard Communication Standard (HCS)?
What is the color of the background of a pictogram as required by the Hazard Communication Standard (HCS)?
Which of the following is NOT an example of potentially explosive chemicals?
Which of the following is NOT an example of potentially explosive chemicals?
What is the purpose of the pictograms on labels according to the Canadian Centre for Occupational Health and Safety?
What is the purpose of the pictograms on labels according to the Canadian Centre for Occupational Health and Safety?
Which type of acids can be corrosive at greater concentrations?
Which type of acids can be corrosive at greater concentrations?
What is a characteristic of strong bases with a pH greater than 10?
What is a characteristic of strong bases with a pH greater than 10?
Which of the following is true about weak acids like acetic and citric acid?
Which of the following is true about weak acids like acetic and citric acid?
What is a common characteristic of strong acids like hydrochloric and nitric acid?
What is a common characteristic of strong acids like hydrochloric and nitric acid?
Why do chemical burns from strong bases have more extensive damage than acid burns?
Why do chemical burns from strong bases have more extensive damage than acid burns?
In what way has human exposure to hazardous chemicals been affected by economic development?
In what way has human exposure to hazardous chemicals been affected by economic development?
Which of the following substances is NOT considered a pesticide?
Which of the following substances is NOT considered a pesticide?
What are metabolites in relation to pesticides?
What are metabolites in relation to pesticides?
According to FAO (1989), what is the definition of a pesticide?
According to FAO (1989), what is the definition of a pesticide?
What do pesticides break down into under certain environmental conditions?
What do pesticides break down into under certain environmental conditions?
Which organization collaboratively defined the term pesticide with UNEP in 1990?
Which organization collaboratively defined the term pesticide with UNEP in 1990?
What category of substances are excluded from the term pesticide according to the text?
What category of substances are excluded from the term pesticide according to the text?
What do welding shields primarily protect the eyes from?
What do welding shields primarily protect the eyes from?
Why is it important for filter lenses to have an appropriate shade number according to OSHA?
Why is it important for filter lenses to have an appropriate shade number according to OSHA?
What is the purpose of laser safety goggles?
What is the purpose of laser safety goggles?
Why might an employer choose specific laser safety goggles according to OSHA guidelines?
Why might an employer choose specific laser safety goggles according to OSHA guidelines?
What additional protection can face shields provide when used in combination with goggles or safety spectacles?
What additional protection can face shields provide when used in combination with goggles or safety spectacles?
Why are each type of protective eyewear designed to protect against specific hazards?
Why are each type of protective eyewear designed to protect against specific hazards?
How many significant figures are in the number 0.000048?
How many significant figures are in the number 0.000048?
Which of the following numbers is correctly expressed in scientific notation?
Which of the following numbers is correctly expressed in scientific notation?
How many significant figures are in the number 56,783?
How many significant figures are in the number 56,783?
Which zero in the number 0.06034 is significant?
Which zero in the number 0.06034 is significant?
In the number 812.90, why is the zero after the 2 considered significant?
In the number 812.90, why is the zero after the 2 considered significant?
What is the correct scientific notation for the number 73400000?
What is the correct scientific notation for the number 73400000?
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