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Which of the following are homogeneous in nature?
(i) Ice (ii) Wood
(iii) Soil (iv) Air
- a)(i) and (ii)
- b)(i) and (iv)
- c)(ii) and (iii)
- d)(iii) and (iv)
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following are homogeneous in nature?(i) Ice (ii) Wood(ii...
Ice and air are homogeneous in nature as their particles are not distinctly visible. A homogeneous mixture has a uniform composition throughout its mass. It has no visible boundaries of separation between its various constituents, e.g., air, sugar solution, brass, etc.
A heterogeneous mixture does not have a uniform composition throughout its mass.It has visible boundaries of separation between its various constituents, e.g., soil, wood, blood etc.
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Which of the following are homogeneous in nature?(i) Ice (ii) Wood(ii...
Homogeneous Substances
Homogeneous substances are those that have the same composition and properties throughout their entire volume. In other words, they are uniform in nature and do not have visible differences or variations. Let's analyze each option to determine which ones are homogeneous.
(i) Ice
Ice is a solid form of water, and it is considered a homogeneous substance. It is composed of water molecules arranged in a rigid lattice structure. The composition and properties of ice are the same throughout its entire volume, making it a homogeneous substance.
(ii) Wood
Wood is a complex material composed of various organic compounds, such as cellulose, lignin, and hemicellulose. It is a heterogeneous substance rather than homogeneous. Wood exhibits visible differences and variations in its composition and properties, such as the presence of growth rings, knots, and different colors. These variations make wood a heterogeneous substance.
(iii) Soil
Soil is a mixture of organic and inorganic materials, such as minerals, water, air, and organic matter. It is a heterogeneous substance due to the presence of different-sized particles, variations in composition, and the mixture of various components. Soil can have different textures, colors, and compositions in different areas or layers, making it heterogeneous.
(iv) Air
Air is a mixture of gases, primarily nitrogen, oxygen, carbon dioxide, and traces of other gases. Although air appears to be uniform and transparent, it is actually a mixture of different gases. The composition of air can vary depending on the location and environmental conditions. Therefore, air is a heterogeneous substance.
Conclusion
From the given options, only ice (i) can be considered a homogeneous substance. It has the same composition and properties throughout its entire volume. Wood (ii), soil (iii), and air (iv) are all heterogeneous substances due to visible differences and variations in their composition and properties.
Homogeneous substances are those that have the same composition and properties throughout their entire volume. In other words, they are uniform in nature and do not have visible differences or variations. Let's analyze each option to determine which ones are homogeneous.
(i) Ice
Ice is a solid form of water, and it is considered a homogeneous substance. It is composed of water molecules arranged in a rigid lattice structure. The composition and properties of ice are the same throughout its entire volume, making it a homogeneous substance.
(ii) Wood
Wood is a complex material composed of various organic compounds, such as cellulose, lignin, and hemicellulose. It is a heterogeneous substance rather than homogeneous. Wood exhibits visible differences and variations in its composition and properties, such as the presence of growth rings, knots, and different colors. These variations make wood a heterogeneous substance.
(iii) Soil
Soil is a mixture of organic and inorganic materials, such as minerals, water, air, and organic matter. It is a heterogeneous substance due to the presence of different-sized particles, variations in composition, and the mixture of various components. Soil can have different textures, colors, and compositions in different areas or layers, making it heterogeneous.
(iv) Air
Air is a mixture of gases, primarily nitrogen, oxygen, carbon dioxide, and traces of other gases. Although air appears to be uniform and transparent, it is actually a mixture of different gases. The composition of air can vary depending on the location and environmental conditions. Therefore, air is a heterogeneous substance.
Conclusion
From the given options, only ice (i) can be considered a homogeneous substance. It has the same composition and properties throughout its entire volume. Wood (ii), soil (iii), and air (iv) are all heterogeneous substances due to visible differences and variations in their composition and properties.
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