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What is gas evolved?

Updated: 6/21/2024
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12y ago

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When a gas is released as a byproduct of a chemical reaction, it is referred to as gas evolved. This gas is usually observed as bubbles forming or a visible release of gas during the reaction. Examples include the evolution of oxygen in the electrolysis of water or the release of carbon dioxide in the reaction between baking soda and vinegar.

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Which gas is evolved when KMnO4 reacts with H2C2O4?

The evolved gas is carbon dioxide (CO2).


Which gas is evolved when iron reacts with sulphuric acid write the word equation evolved how will you didcate for the gas evolved in the reaction?

When iron reacts with sulfuric acid, hydrogen gas is evolved. The word equation for this reaction is: Iron + Sulfuric acid -> Iron sulfate + Hydrogen gas. To indicate the gas evolved in the reaction, one can place a downward arrow (↓) next to the hydrogen gas in the products.


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Chlorine gas is evolved at the anode during the electrolysis of aqueous sodium chloride (NaCl) because chloride ions are oxidized to form chlorine gas.


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When acetone bisulfite reacts with HCl, sulfur dioxide gas is evolved.


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The evolved gas from the reaction of sodium carbonate is carbon dioxide (CO2).


What the name of he gas evolved when baking soda reacts with dilute hydrochloric acid?

Hydrogen gas- very explosive when mixed with a spark


Which gas is evolved when carbonates are treated with acid?

Carbon dioxide gas, CO2(gas)


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Oxygen gas is evolved during photosynthesis as a byproduct of the light-dependent reactions in the chloroplasts of plant cells.


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