SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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gas is released
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light is released
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there is fire
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the shape of something changes
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Detailed explanation-1: -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-2: -Remember that a physical change is a change in properties such as texture, shape, or state, while a chemical change represents the formation of a new substance after atoms are rearranged in a chemical reaction.
Detailed explanation-3: -Color Change. Production of an odor. Change of Temperature. Evolution of a gas (formation of bubbles) Precipitate (formation of a solid) 02-Apr-2021
Detailed explanation-4: -Formation of a precipitate. Production of a gas. Change in colour. Energy change. Production of odor. 09-Dec-2015
Detailed explanation-5: -Change in Color. Formation of a Gas. Formation of a Precipitate. Change in Odor. Change in Temperature. Something is Burning. Light is Being Produced. 20-Jan-2023