Podcast
Questions and Answers
What is air made up of?
What is air made up of?
- Oxygen, carbon dioxide, water vapour, argon, and other gases
- Nitrogen, oxygen, carbon dioxide, water vapour, and other gases
- Nitrogen, oxygen, carbon dioxide, noble gases, water vapour and small amounts of other gases (correct)
- Oxygen, nitrogen, carbon dioxide, and water vapour
Why are living things found on Earth but not on the Moon?
Why are living things found on Earth but not on the Moon?
- The Earth is surrounded by a layer of air while the Moon is not (correct)
- The Moon has a higher percentage of carbon dioxide in its atmosphere
- The Moon lacks water vapor and noble gases
- The Earth has a higher percentage of oxygen in its atmosphere
How can we test for oxygen, carbon dioxide, and water vapour in air?
How can we test for oxygen, carbon dioxide, and water vapour in air?
- By measuring the pH of the air
- By observing the air's density
- By studying their properties such as color (correct)
- By using litmus paper
What percentage of air is nitrogen?
What percentage of air is nitrogen?
Which gas is found in small amounts in air?
Which gas is found in small amounts in air?
What is the layer of air surrounding the Earth called?
What is the layer of air surrounding the Earth called?
What is the percentage of water vapour in air?
What is the percentage of water vapour in air?
Which gas is commonly used to test for in air?
Which gas is commonly used to test for in air?
What is the percentage of oxygen in air?
What is the percentage of oxygen in air?
Which gas is used in fire extinguishers?
Which gas is used in fire extinguishers?
What is the procedure for testing oxygen and carbon dioxide?
What is the procedure for testing oxygen and carbon dioxide?
What is used to test for water and water vapor in the experiment?
What is used to test for water and water vapor in the experiment?
What gas is used to help with breathing difficulties?
What gas is used to help with breathing difficulties?
Which gas is used in producing fog effects?
Which gas is used in producing fog effects?
What gas is used in metal cutting?
What gas is used in metal cutting?
Which gas is used in advertising lights?
Which gas is used in advertising lights?
What happens to a burning splint in the presence of carbon dioxide?
What happens to a burning splint in the presence of carbon dioxide?
What happens to a glowing splint in the presence of carbon dioxide?
What happens to a glowing splint in the presence of carbon dioxide?
What is the indication of the presence of carbon dioxide when using lime water?
What is the indication of the presence of carbon dioxide when using lime water?
What is the indication of the presence of carbon dioxide when using hydrogen carbonate indicator?
What is the indication of the presence of carbon dioxide when using hydrogen carbonate indicator?
What happens to a glowing splint in the presence of nitrogen?
What happens to a glowing splint in the presence of nitrogen?
What happens to a burning splint in the presence of air?
What happens to a burning splint in the presence of air?
What is the indication of the presence of oxygen when using a burning splint?
What is the indication of the presence of oxygen when using a burning splint?
What is the indication of the presence of oxygen when using a glowing splint?
What is the indication of the presence of oxygen when using a glowing splint?
What is the indication of the presence of nitrogen when using a glowing splint?
What is the indication of the presence of nitrogen when using a glowing splint?
What is the indication of the presence of nitrogen when using a burning splint?
What is the indication of the presence of nitrogen when using a burning splint?
What is the indication of the presence of air when using a glowing splint?
What is the indication of the presence of air when using a glowing splint?
What is the indication of the presence of air when using a burning splint?
What is the indication of the presence of air when using a burning splint?
Which gas is commonly used to extend the shelf life of packaged foods?
Which gas is commonly used to extend the shelf life of packaged foods?
Which gas is used to provide an inert atmosphere for manufacturing integrated circuits and LEDs?
Which gas is used to provide an inert atmosphere for manufacturing integrated circuits and LEDs?
What gas is added to beverages to make them carbonated?
What gas is added to beverages to make them carbonated?
Which gas is used in fire extinguishers as it displaces oxygen and stops combustion?
Which gas is used in fire extinguishers as it displaces oxygen and stops combustion?
What gas is used medically in oxygen tanks and masks for patients needing respiratory help?
What gas is used medically in oxygen tanks and masks for patients needing respiratory help?
Which gas is used in greenhouses to enhance plant growth?
Which gas is used in greenhouses to enhance plant growth?
Which gas is slightly denser than air and supports combustion/fire?
Which gas is slightly denser than air and supports combustion/fire?
Which gas is used as an inert gas to displace air and is very unreactive due to a strong triple bond?
Which gas is used as an inert gas to displace air and is very unreactive due to a strong triple bond?
Which gas is soluble in water and forms carbonic acid, and is a greenhouse gas that absorbs infrared radiation?
Which gas is soluble in water and forms carbonic acid, and is a greenhouse gas that absorbs infrared radiation?
Which gas is a reactive oxidizing agent and supports combustion/fire?
Which gas is a reactive oxidizing agent and supports combustion/fire?
Which gas is inert, does not support combustion, and is lighter than air?
Which gas is inert, does not support combustion, and is lighter than air?
Flashcards
Air Composition
Air Composition
Nitrogen, oxygen, carbon dioxide, noble gases, water vapor & other gases.
Life on Earth vs. Moon
Life on Earth vs. Moon
Earth has an atmosphere (air), the Moon does not
Testing Air Components
Testing Air Components
Observe properties like color or reaction with substances.
Nitrogen Percentage in Air
Nitrogen Percentage in Air
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Small Amount Gas in Air
Small Amount Gas in Air
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Air Layer Around Earth
Air Layer Around Earth
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Water Vapor % in Air
Water Vapor % in Air
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Commonly Tested Gas
Commonly Tested Gas
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Oxygen Percentage in Air
Oxygen Percentage in Air
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Gas in Fire Extinguishers
Gas in Fire Extinguishers
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Testing for Water Vapor
Testing for Water Vapor
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Breathing Difficulties
Breathing Difficulties
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Producing Fog Effects
Producing Fog Effects
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Gas in Metal Cutting
Gas in Metal Cutting
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Gas in Advertising Lights
Gas in Advertising Lights
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Burning Splint in CO2
Burning Splint in CO2
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Glowing Splint in CO2
Glowing Splint in CO2
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CO2 + Lime Water
CO2 + Lime Water
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CO2 + Hydrogen Carbonate
CO2 + Hydrogen Carbonate
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Glowing Splint in Nitrogen
Glowing Splint in Nitrogen
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Burning Splint in Air
Burning Splint in Air
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Burning Splint in Oxygen
Burning Splint in Oxygen
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Glowing Splint in Oxygen
Glowing Splint in Oxygen
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Glowing Splint in Nitrogen
Glowing Splint in Nitrogen
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Burning Splint in Nitrogen
Burning Splint in Nitrogen
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Burning Splint in Air
Burning Splint in Air
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Glowing Splint in Air
Glowing Splint in Air
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Extending Food Shelf Life
Extending Food Shelf Life
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Inert IC/LED Atmosphere
Inert IC/LED Atmosphere
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Carbonated Beverages
Carbonated Beverages
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Study Notes
Testing Gases and Daily Applications
- Experiment involves testing properties of oxygen, carbon dioxide, and water vapor
- Experiment uses materials like test tubes, hydrogencarbonate indicator, and limewater
- Procedure includes testing for oxygen and carbon dioxide using various methods
- Results show different properties of oxygen and carbon dioxide
- Another experiment tests for water and water vapor using cobalt chloride paper
- There are no simple tests for nitrogen and noble gases
- Checkpoint involves identifying a gas based on test results
- Oxygen is used to help with breathing difficulties and in metal cutting
- Carbon dioxide is used in fire extinguishers and in producing fog effects
- Solid carbon dioxide changes directly to a gas and is used in metal cutting
- Neon is used in advertising lights
- Gases have various daily applications in industry and daily life
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