which one of the following is not chemical change?
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Which one among the following is not a chemical change ? Solution : Evaporation of water is a physical change as no new product form during the process.
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['Chemical changes make new substances. Anytime a new substance is made, a chemical change takes place. ... ', 'Physical changes do not make a new substance. Physical changes come in many forms. ... ', 'Physical changes also happen when matter changes states. ... ', 'Chemical and physical changes are all around us.']
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Burning is an example of a chemical change. Signs of chemical change include the release of bubbles, a change of color, production of an odor, release of heat and light, and production of loud sounds. Because chemical changes result in different substances, they often cannot be undone.
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A chemical change occurs when a new substance is formed through a chemical reaction like when fruit ripens or rots. When something undergoes a "chemical reaction" and a new substance is formed as a result, we call this chemical change. In some instances, simply applying heat can cause a chemical change.
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A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
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Melting and burning of candle wax is an example of both physical and chemical changes. Answer: Burning of wood is a example of both physical and chemical change. When wood is burnt the moisture present in it turns to vapour ,it is a physical change while it burns and generate CO2 is a chemical change.
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Chemical Change. a change that produces matter with a different composition than the original matter. Chemical Property. A property of matter that describes a substance's ability to participate in chemical reactions. Flammability.
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Chemical change is when water is transformed into hydrogen gas and oxygen gas. ... While chemical change is when you have a substance that gets transformed into 1 or more different substances. So melting the ice will make it go back to water, melting iron will make it liquid iron … Thus, melting is a physical change.
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Thus, color and temperature changes are physical changes, while oxidation and hydrolysis are chemical changes. Odor is generated when substances change composition.
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Which is an example of a chemical change? Ans: A chemical transition is the result of a chemical reaction, whereas a physical change is when the structure of matter changes, but not the chemical identity. Burning, cooking, rusting, and rotting are examples of chemical changes.
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There is no difference. Chemical changes are also known as Chemical Reactions - a change that results in the formation of new chemical substances. ... Chemical reaction is a process of changing from one chemical state to another and chemical change is a change in the state of a material.
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A change can't be both physical and chemical, but physical and chemical changes can occur simultaneously. This is what's happening with the burning candle: the wax is melting, which is a physical change, and it's combusting, which is a chemical change. ... There's no change in the chemical formula of the substance.
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Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding. Often, physical changes can be undone, if energy is input.
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Yes, in some cases the physical and the chemical changes can occur together. One such example is the burning of candle. The wax present in the candle changes to liquid state. ... This means that a chemical reaction or change is also taking place.
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Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ... This contrasts with the concept of chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances.
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A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible.
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If you change the way something looks, but haven't made a new substance, a physical change (P) has occurred. If the substance has been changes into another substance, a chemical change (C) has occurred.