EARTH SCIENCE
MAGNETISM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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rotting fuit
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anything cooked or burned
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leaves changing
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water freezing
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Detailed explanation-1: -Freezing of water is not a chemical change as ice when melt changes back to water showing physical change .
Detailed explanation-2: -(a)Freezing of water to ice and evaporation of water are physical changes.
Detailed explanation-3: -Color. The changing of color of a substance is not necessarily an indicator of a chemical change. For example, changing the color of a metal does not change its physical properties.
Detailed explanation-4: -Key Takeaways: Chemical and Physical Change Examples Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
Detailed explanation-5: -Color Change. Production of an odor. Change of Temperature. Evolution of a gas (formation of bubbles) Precipitate (formation of a solid) 02-Apr-2021