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Interconversion of state of matter (Part - 1) - Chemistry, Class 11 Video Lecture

FAQs on Interconversion of state of matter (Part - 1) - Chemistry, Class 11 Video Lecture

1. What is the interconversion of states of matter?
Ans. The interconversion of states of matter refers to the process of changing one state of matter to another. This can occur through the addition or removal of heat energy. For example, the interconversion of states of matter can be observed when a solid ice cube melts into a liquid water or when liquid water evaporates into a gaseous state as steam.
2. What are the three main states of matter?
Ans. The three main states of matter are solid, liquid, and gas. In the solid state, particles are closely packed together and have a fixed shape and volume. In the liquid state, particles are still close together but can move more freely, resulting in a fixed volume but not a fixed shape. In the gas state, particles are far apart and have no fixed shape or volume.
3. How can a solid be converted into a liquid?
Ans. A solid can be converted into a liquid through a process known as melting. Melting occurs when heat energy is added to a solid, causing the particles to gain enough energy to overcome their attractive forces and start moving more freely. As a result, the solid changes its state and becomes a liquid.
4. What is the process called when a liquid changes into a gas?
Ans. The process called when a liquid changes into a gas is called vaporization. Vaporization can occur through two processes: evaporation and boiling. Evaporation is the slow and gradual conversion of a liquid into a gas at temperatures below its boiling point, while boiling is the rapid and sudden conversion of a liquid into a gas at its boiling point.
5. Can a gas be converted directly into a solid?
Ans. Yes, a gas can be converted directly into a solid through a process known as deposition. Deposition occurs when a gas loses heat energy and directly changes into a solid without going through the liquid state. This can be observed when water vapor in the air condenses into frost or when carbon dioxide gas freezes into dry ice.
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