OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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marinating meat
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freezing punch in ice rings
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sauteeing onions & peppers
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baking a cake
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Detailed explanation-1: -No new substance is formed during the melting of ice, only a change of state (from solid to liquid) takes place during the melting of ice. So, the melting of ice (to form water) is a physical change. So, the freezing of water (to form ice) is a physical change.
Detailed explanation-2: -Physical Changes If you freeze fruit juice to make a popsicle, this is a change in state. The juice changes from a liquid to a solid. Ice cream melting on a hot day is also a change in state. The ice cream changes from a solid to a liquid.
Detailed explanation-3: -Freezing and boiling are considered to be examples of chemical reactions.
Detailed explanation-4: -The the process of freezing is an example of a physical change even though water and ice have different properties why.