JEE Exam > JEE Videos > Chemistry for JEE Main & Advanced > States of Matter in One Shot (Old NCERT)
States of Matter in One Shot (Old NCERT) Video Lecture | Chemistry for JEE Main & Advanced
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FAQs on States of Matter in One Shot (Old NCERT) Video Lecture - Chemistry for JEE Main & Advanced
| 1. What are the three states of matter? |  |
Ans. The three states of matter are solid, liquid, and gas. In solids, particles are closely packed and have a fixed shape and volume. Liquids have particles that are loosely packed and can change shape but have a fixed volume. Gases have particles that are widely spaced and can change both shape and volume.
| 2. What is the process of changing a solid into a liquid called? | |
Ans. The process of changing a solid into a liquid is called melting. This occurs when heat is applied to a solid, causing its particles to gain enough energy to break their rigid structure and move freely, resulting in the formation of a liquid.
| 3. Can matter exist in a fourth state? | |
Ans. Yes, matter can exist in a fourth state known as plasma. Plasma is a highly ionized gas in which the particles are in an energized state and are capable of conducting electricity. Examples of plasma include the sun, lightning, and fluorescent lights.
| 4. What is the process of changing a liquid into a gas called? | |
Ans. The process of changing a liquid into a gas is called vaporization. This can occur through two processes: evaporation and boiling. Evaporation takes place at the surface of a liquid, where particles gain enough energy to escape into the surrounding space. Boiling, on the other hand, occurs throughout the liquid when the temperature reaches its boiling point, causing rapid vaporization.
| 5. How does the arrangement of particles differ in solids, liquids, and gases? | |
Ans. In solids, particles are closely packed and arranged in a regular pattern, resulting in a fixed shape and volume. In liquids, particles are loosely packed and have more freedom to move, allowing them to take the shape of the container they are in while maintaining a fixed volume. In gases, particles are widely spaced and move randomly and rapidly, filling the entire space available to them.
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Nov 15, 2024 Last updated |
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