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1 A type of gas burner used in laboratories for heating and sterilization.
2 Safe flame
3 A process in which substances interact to form new products, often involving energy changes.
4 A mixture that can not be separated
5 The visible, gaseous part of a fire, produced by the combustion of materials.
6 Transparent flame
7 A form of energy that is transferred between systems or objects with different temperatures.
8 A chemical reaction that involves the rapid combination of a substance with oxygen, producing heat and light.
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