Burning involves a chemical reaction where a substance reacts with oxygen to produce new substances with altered chemical compositions. This transformation is indicative of a chemical change or chemical reaction.
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Chemical properties dictate how substances interact with each other and their environment. In the case of water and cooking oil, their chemical properties determine their odor, inflammability, and behavior in various situations.
Oil burns in air because it undergoes a chemical reaction with oxygen, resulting in combustion. In contrast, water extinguishes fire by smothering it and lowering the temperature, preventing oxygen from reaching the fuel source.
Water and cooking oil differ in odor and inflammability due to their distinct chemical compositions.
A physical change involves a change in the physical state or appearance of a substance without altering its chemical composition, whereas a chemical change involves the formation of new substances with different chemical compositions.