Yes becuase it is changing the was it looks not the entire base
No. It is a physical change.
Changes of state are physical changes.
It's not a physical change. Rather, it is a sign of an already completed chemical reaction.
During a physical change, the chemical composition of the matter remains the same, while its physical properties, such as shape, size, or state, may change. The individual particles that make up the matter do not change in a physical change.
Physical properties describe characteristics of a substance that do not involve a change in its chemical composition, such as color or density. Physical changes, on the other hand, refer to alterations in the substance's physical state, like melting or boiling.
This is a physical change.
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Painting a room involves a physical change rather than a chemical change. The process of painting a room typically involves applying a layer of paint, which dries and forms a new physical layer on the surface of the wall. Chemical changes involve the rearrangement of atoms and the formation of new substances with different chemical properties, which is not the case in painting a room.
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The observation that hydrogen chloride is a gas at room temperature is a PHYSICAL property.
When a denture cleaner tablet dissolves in water to form a cleaning solution, it undergoes a chemical change. The tablet breaks down chemically to release cleaning agents that interact with the water molecules to clean the dentures.
terminal cleaning usually include removing all detachabale objects in the room
I think it is Was and Cleaning.
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Cooking an egg is a chemical change because the proteins in the egg become denatured through exposure to heat. There is also a physical change because the denaturing of the proteins causes them to become solid at room temperature.
Yes, using an electric bar heater to heat a room involves a physical change. The heater converts electrical energy into thermal energy, warming the air in the room. This process does not alter the chemical composition of the air or the heater itself, but simply changes the temperature and energy state of the air molecules. Thus, it is considered a physical change rather than a chemical one.