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Consider the following statements:
1. Surface tension is due to cohesion only.
2. Capillarity is due to adhesion only.
3. Surface tension is due to both cohesion and adhesion.
4. Capillary is due to both cohesion and adhesion.
1. Surface tension is due to cohesion only.
2. Capillarity is due to adhesion only.
3. Surface tension is due to both cohesion and adhesion.
4. Capillary is due to both cohesion and adhesion.
Which of these statements are correct?
- a)1 and 2
- b)2 and 3
- c)3 and 4
- d)1 and 4
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements:1. Surface tension is due to cohesio...
Surface tension is due to cohesion only but capillary is due to both cohesion and adhesion.
if adhesion >cohesion then liquid surface wetting and if cohesion >adhesion then liquid surface not wetting
if adhesion >cohesion then liquid surface wetting and if cohesion >adhesion then liquid surface not wetting
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Community Answer
Consider the following statements:1. Surface tension is due to cohesio...
Surface Tension and Capillarity:
1. Surface tension is due to cohesion only.
Surface tension is the property of a liquid that enables it to resist an external force, minimizing its surface area. It is due to the cohesive forces between the liquid molecules. Cohesion refers to the attraction between molecules of the same substance. In the case of surface tension, the cohesive forces between the liquid molecules at the surface are responsible for the contraction of the surface area.
2. Capillarity is due to adhesion only.
Capillarity is the phenomenon in which liquids rise or fall in narrow tubes against the force of gravity. It is due to the combined effect of both cohesion and adhesion. Adhesion refers to the attraction between molecules of different substances. In the case of capillarity, the adhesive forces between the liquid and the walls of the capillary tube (such as glass) contribute to the rise or fall of the liquid.
3. Surface tension is due to both cohesion and adhesion.
This statement is correct. Surface tension is a result of both cohesion and adhesion. Cohesion between the liquid molecules causes the surface to contract, while adhesion between the liquid molecules and the walls of the container contributes to the shape and behavior of the liquid surface.
4. Capillary is due to both cohesion and adhesion.
This statement is also correct. Capillarity is a combined effect of both cohesion and adhesion. Cohesion between the liquid molecules causes the liquid to rise or fall in the capillary tube, while adhesion between the liquid molecules and the walls of the tube determines the magnitude of the capillary rise or fall.
Conclusion:
From the given statements, the correct options are 1 and 4. Surface tension is due to both cohesion and adhesion, while capillarity is also due to both cohesion and adhesion. These properties are a result of the intermolecular forces between the liquid molecules and the surrounding environment.
1. Surface tension is due to cohesion only.
Surface tension is the property of a liquid that enables it to resist an external force, minimizing its surface area. It is due to the cohesive forces between the liquid molecules. Cohesion refers to the attraction between molecules of the same substance. In the case of surface tension, the cohesive forces between the liquid molecules at the surface are responsible for the contraction of the surface area.
2. Capillarity is due to adhesion only.
Capillarity is the phenomenon in which liquids rise or fall in narrow tubes against the force of gravity. It is due to the combined effect of both cohesion and adhesion. Adhesion refers to the attraction between molecules of different substances. In the case of capillarity, the adhesive forces between the liquid and the walls of the capillary tube (such as glass) contribute to the rise or fall of the liquid.
3. Surface tension is due to both cohesion and adhesion.
This statement is correct. Surface tension is a result of both cohesion and adhesion. Cohesion between the liquid molecules causes the surface to contract, while adhesion between the liquid molecules and the walls of the container contributes to the shape and behavior of the liquid surface.
4. Capillary is due to both cohesion and adhesion.
This statement is also correct. Capillarity is a combined effect of both cohesion and adhesion. Cohesion between the liquid molecules causes the liquid to rise or fall in the capillary tube, while adhesion between the liquid molecules and the walls of the tube determines the magnitude of the capillary rise or fall.
Conclusion:
From the given statements, the correct options are 1 and 4. Surface tension is due to both cohesion and adhesion, while capillarity is also due to both cohesion and adhesion. These properties are a result of the intermolecular forces between the liquid molecules and the surrounding environment.
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Consider the following statements:1. Surface tension is due to cohesion only.2. Capillarity is due to adhesion only.3. Surface tension is due to both cohesion and adhesion.4. Capillary is due to both cohesion and adhesion.Which of these statements are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'D'. Can you explain this answer?
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