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Magnesium metal, a shiny metallic gray metal, is burned in the presence of oxygen. A bright flame appears and a white brittle solid is formed. Which of the following indicators of a chemical reaction occur. i. formation of a precipitate ii. liberation of a gas iii. change in energy iv. color change i and ii iii and iv. i, ii., and iv. only i.

Magnesium metal, a shiny metallic gray metal, is burned in the presence of oxygen. A bright flame appears and a white brittle solid is formed. Which of the following indicators of a chemical reaction occur. i. formation of a precipitate ii. liberation of a gas iii. change in energy iv. color change i and ii iii and iv. i, ii., and iv. only i.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.81PAE
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Magnesium metal, a shiny metallic gray metal, is burned in the presence of oxygen. A bright flame appears and a white brittle solid is formed.

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Magnesium metal, a shiny metallic gray metal, is burned in the presence of oxygen. A bright flame appears and a white brittle solid is formed. Which of the following indicators of a chemical reaction occur. i. formation of a precipitate ii. liberation of a gas iii. change in energy iv. color change i and ii iii and iv. O i, ii., and iv. O only i.
Transcribed Image Text:Magnesium metal, a shiny metallic gray metal, is burned in the presence of oxygen. A bright flame appears and a white brittle solid is formed. Which of the following indicators of a chemical reaction occur. i. formation of a precipitate ii. liberation of a gas iii. change in energy iv. color change i and ii iii and iv. O i, ii., and iv. O only i.
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