SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A change in color of a solution
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The formation of a precipitate
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A change in temperature
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All of the above
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Detailed explanation-1: -The production of a gas, a color change, a change in temperature, or the formation of a solid from two liquids indicates that a chemical reaction may have occurred.
Detailed explanation-2: -Chemical reactions can be identified via a wide range of different observable factors including change in color, energy change (temperature change or light produced), gas production, formation of precipitate and change in properties.
Detailed explanation-3: -Yes. Why or why not? Combining the two clear colorless liquids is a chemical change because a different solid substance is formed.
Detailed explanation-4: -Color Change. Production of an odor. Change of Temperature. Evolution of a gas (formation of bubbles) Precipitate (formation of a solid) 02-Apr-2021