Which Event Always Involves A Chemical Change . A change is said to be chemical if the chemical configuration of the substance is changed. Log in for more information.
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Burning always involves a chemical change. A iron rusting b ice cubes melting correct answer c
Which Event Always Involves A Chemical Change ? - Brainly.com
Log in for more information. For example, when two substances react with each other and a chemically different product of formed. Expert answered| l_e_v_e_r |points 47|.
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The physical properties of a substance change, but its chemical properties remain the same. Before answering the question, first we have to understand nature of physical and chemical changes. Burning always involves a chemical change.
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Burning because example wood and fire. All of the following are chemical changes except. The physical properties of a substance change, but its chemical properties remain the same.
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Which event always involves a chemical change? Burning is the event which always involves a chemical change. Which event always involves a chemical change?
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Burning is the event which always involves a chemical change. In a science demonstration, a teacher mixed zinc (zn) with hydrogen chloride (hcl) in a flask and quickly attached a balloon over the mouth of the flask. Rust is the term used to describe this process when it happens to iron instead of other metals.
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A iron rusting b ice cubes melting correct answer c In photosynthesis, because its identity. The corrosion is from oxidation chemical reaction between the metal and oxygen, water, and carbon dioxide in the air.
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Prashantsherawat1919 prashantsherawat1919 20.02.2019 chemistry secondary school answered why does a chemical change always involve an absorption or liberation of energy? Some properties of a substance change, but its identity remains the same. Ad libitum [116k] 1 year ago.
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For example, when two substances react with each other and a chemically different product of formed. Burning because example wood and fire. Heat the salt solution on a burner until only a white solid remains.
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During boiling and melting, there will be state change only. In transpiration, because some of its properties change, water undergoes a physical change but keeps its identity. This answer has been confirmed as correct and helpful.
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The correct answer to the question is burning. This answer has been confirmed as correct and helpful. Which event always involves a chemical change?
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Before answering the question, first we have to understand nature of physical and chemical changes. Making a pancake from batter is an example of a change. A change is said to be physical if there will be no change in chemical configuration of reactants and products.
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Log in for more information. Burning making a pancake from batter is an example of an change. When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated.
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Burning is the event which always involves a chemical change. A iron rusting b ice cubes melting correct answer c Investigations were carried out in a science lab to explore the topic of chemical and physical changes.
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A chemical change always involves one or more. Rust is the term used to describe this process when it happens to iron instead of other metals. Log in for more information.
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A chemical reactions b chemical properties c states of matter. Get the answers you need, now! Ad libitum [116k] 1 year ago.
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Heat the salt solution on a burner until only a white solid remains. The physical properties of a substance change, but its chemical properties remain the same. Which event always involves a chemical change?
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Log in for more information. Get the answers you need, now! Salt to 100 ml warm water and stir until most or all of the salt is no longer.
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Burning is the event which always involves a chemical change. This answer has been confirmed as correct and helpful. The corrosion is from oxidation chemical reaction between the metal and oxygen, water, and carbon dioxide in the air.
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Both the identity and the properties of a substance change. Paha777 [63] 1 year ago. Burning always involves a chemical change.
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For example, when two substances react with each other and a chemically different product of formed. I also took it on e2020. You might be interested in.
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The reappearance of salt is evidence that the change was reversible by a physical change, so it could not be a chemical change. An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen. D two of the above.
