SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are Physical Changes?
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Changes that do not affect the identity of the substance
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A property that depends on the type of matter in a sample, not the amount of matter.
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A property that depends on the amount of matter in a sample.
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When one or more substances are converted into different substances
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Explanation:
Detailed explanation-1: -A Physical change is a change that does not change the identity of the substance. for example, water changes from ice to liquid or from liquid to vapor its identity is still the same.
Detailed explanation-2: -We can observe some physical properties, such as density and color, without changing the physical state of the matter observed. Other physical properties, such as the melting temperature of iron or the freezing temperature of water, can only be observed as matter undergoes a physical change.
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