explain why heating of a magnet a chemical change?..
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A chemical change, also known as a chemical reaction, is a process in which one or more substances are altered into one or more new and different substances. ... A chemical change that gives off heat is called an exothermic reaction. One that absorbs heat is called an endothermic reaction....
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Dear , I am Yuvashri.. Jasmine's frnd..
don't you remember me..?
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nd .. this my id..
she texted you.. did you reply..?
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