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Direction: Study the substances given in the box and answer any of the four questions given below :
Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, Ink
Q. Give an example of gas – gas homogenous mixture.
- a)Milk
- b)Carbon dioxide
- c)Water
- d)Air
Correct answer is option 'D'. Can you explain this answer?
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Direction: Study the substances given in the box and answer any of th...
A homogeneous mixture appears uniform, regardless of where you sample it. Examples of homogeneous mixtures include air, saline solution, most alloys, and bitumen. Examples of heterogeneous mixtures include sand, oil and water, and chicken noodle soup.
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Direction: Study the substances given in the box and answer any of th...
Gas-Gas Homogeneous Mixture:
A gas-gas homogeneous mixture refers to a mixture where two or more gases are uniformly distributed throughout the mixture, resulting in a homogeneous composition. One example of a gas-gas homogeneous mixture is air.
Explanation:
Air is a mixture of several gases that are present in the Earth's atmosphere. It is composed mainly of nitrogen (about 78%), oxygen (about 21%), and small amounts of other gases such as carbon dioxide, argon, and trace gases. The gases in the air are evenly distributed and mixed together, resulting in a homogeneous composition.
Composition of Air:
The composition of air includes various gases present in different proportions. The major components of air are:
1. Nitrogen (N2): Nitrogen makes up about 78% of the total air composition. It is an odorless and colorless gas that is essential for the survival of many organisms.
2. Oxygen (O2): Oxygen constitutes about 21% of the air. It is necessary for the process of respiration in living organisms, supporting the combustion of fuels, and various other chemical reactions.
3. Carbon Dioxide (CO2): Carbon dioxide is present in trace amounts in the air, accounting for approximately 0.04% of the total composition. It plays a crucial role in the process of photosynthesis and is a greenhouse gas.
4. Argon (Ar): Argon is an inert gas that makes up about 0.93% of the air's composition. It is colorless, odorless, and non-reactive.
5. Trace Gases: The air also contains trace amounts of other gases, such as neon, helium, methane, ozone, and water vapor. These gases are present in very small quantities but have significant effects on the atmosphere and the environment.
Homogeneous Nature of Air:
Air is considered a homogeneous mixture because the gases present in the air are uniformly distributed throughout the atmosphere. This means that no matter where you sample the air, you will find a similar composition of gases. The gases in the air mix freely and do not separate into distinct layers or regions.
Conclusion:
In conclusion, air is an example of a gas-gas homogeneous mixture. It is composed of several gases, including nitrogen, oxygen, carbon dioxide, argon, and trace gases. The gases in the air are uniformly distributed, resulting in a homogeneous composition throughout the Earth's atmosphere.
A gas-gas homogeneous mixture refers to a mixture where two or more gases are uniformly distributed throughout the mixture, resulting in a homogeneous composition. One example of a gas-gas homogeneous mixture is air.
Explanation:
Air is a mixture of several gases that are present in the Earth's atmosphere. It is composed mainly of nitrogen (about 78%), oxygen (about 21%), and small amounts of other gases such as carbon dioxide, argon, and trace gases. The gases in the air are evenly distributed and mixed together, resulting in a homogeneous composition.
Composition of Air:
The composition of air includes various gases present in different proportions. The major components of air are:
1. Nitrogen (N2): Nitrogen makes up about 78% of the total air composition. It is an odorless and colorless gas that is essential for the survival of many organisms.
2. Oxygen (O2): Oxygen constitutes about 21% of the air. It is necessary for the process of respiration in living organisms, supporting the combustion of fuels, and various other chemical reactions.
3. Carbon Dioxide (CO2): Carbon dioxide is present in trace amounts in the air, accounting for approximately 0.04% of the total composition. It plays a crucial role in the process of photosynthesis and is a greenhouse gas.
4. Argon (Ar): Argon is an inert gas that makes up about 0.93% of the air's composition. It is colorless, odorless, and non-reactive.
5. Trace Gases: The air also contains trace amounts of other gases, such as neon, helium, methane, ozone, and water vapor. These gases are present in very small quantities but have significant effects on the atmosphere and the environment.
Homogeneous Nature of Air:
Air is considered a homogeneous mixture because the gases present in the air are uniformly distributed throughout the atmosphere. This means that no matter where you sample the air, you will find a similar composition of gases. The gases in the air mix freely and do not separate into distinct layers or regions.
Conclusion:
In conclusion, air is an example of a gas-gas homogeneous mixture. It is composed of several gases, including nitrogen, oxygen, carbon dioxide, argon, and trace gases. The gases in the air are uniformly distributed, resulting in a homogeneous composition throughout the Earth's atmosphere.
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Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer?
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Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer?.
Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Direction: Study the substances given in the box and answer any of the four questions given below :Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, InkQ. Give an example of gas – gas homogenous mixture. a)Milkb)Carbon dioxidec)Waterd)AirCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9.
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