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If before a basketball game the ref uses an air pump to inflate the basketball is it a chemical or physical change?
Wiki User
∙ 6y ago
Physical
Gurasees Singh Thind
Anonymous
chemical change
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Is developing film a chemical or physical change?
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Physical. You're not doing anything to alter the chemical structure of the paper. If you soaked it in ethanol and lit it on fire before crumpling it, that would be a chemical change.
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Physical change because before and after breaking a glass, the glass is still SiO2 (Silicon): it's chemical makeup is not changed by the breakage.
