is a solution a chemical change
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Is dissolving a chemical change or physical change?
Whether Dissolving Is a Chemical or Physical Change. Any time you dissolve a covalent compound like sugar, you’re looking at a physical change. The molecules get further apart in the solvent, but they don’t change. However, there’s a dispute about whether dissolving an ionic compound (like salt) is a chemical or physical change because…
Is dissolving salt in water a chemical change?
Why Dissolving Salt Would Be a Chemical Change. When you dissolve salt in water the sodium chloride dissociates in Na + ions and Cl – ions, which may be written as a chemical equation: NaCl(s) 鈫?Na +(aq) + Cl -(aq)
What is a solution in chemistry?
A solution is a homogeneous mixture of two or more substances. A solution may exist in any phase . A solution consists of a solute and a solvent. The solute is the substance that is dissolved in the solvent.
What is a chemical change in chemistry?
Chemical reactions, also called chemical changes, refer to processes that alter chemical compounds, making new substances out of one or more old substances. To put that another way, the atoms of a substance are rearranged when a chemical change takes place.
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