burning of magnesium ribbon is what type of change whether it is a physical change or a chemical change
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Answer :
Magnesium , when ignited in air , say in an open gas jar , burns with a dazzling white flame . The magnesium oxide formed deposits as a white , smoky solid on the walls of the jar . Hence , it forms a new product it is a chemical change .
So , it is an Chemical change .
1. A chemical change is permanent .
2. A chemical change is Irreversible .
3. New substances are formed after a chemical change .
4. The mass of the individual substance undergoing a chemical change is altered .
5. Example : Photosynthesis , fermentation , respiration etc .
Answer :
Magnesium , when ignited in air , say in an open gas jar , burns with a dazzling white flame . The magnesium oxide formed deposits as a white , smoky solid on the walls of the jar . Hence , it forms a new product it is a chemical change .
So , it is an Chemical change .
1. A chemical change is permanent .
2. A chemical change is Irreversible .
3. New substances are formed after a chemical change .
4. The mass of the individual substance undergoing a chemical change is altered .
5. Example : Photosynthesis , fermentation , respiration etc .
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