Investigate changes that happen in materials under the following conditions: 1 presence or lack of oxygen 2 application of heat
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Q 1/1
Score 0
​Analyze the situation to what process it involves, application of heat, presence of oxygen or absence of oxygen.
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sorting://Application of Heat|melting of butter,caramelizing of sugar,explosion of fireworks,melting of ice cream:Presence of Oxygen|rusting of iron,burning of paper,digestion of food:Absence of oxygen|fermentation of vinegar,difficulty of breathing,asthma attack
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1 question
Q.
Analyze the situation to what process it involves, application of heat, presence of oxygen or absence of oxygen.
