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When Chlorine is bubbled in KI solution there is a color change because of?
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What color does lime water change to when carbon dioxide is bubbled in?
The lime water goes cloudy.
Is water corporation physical or chemical change?
chemical because it involves stuff like chlorine
What solution keeps a cell the same size and has no change?
because of the gravity of earth
What happens in a buffer when the level of H ions in solution increase?
there will be no change .because the buffer resist change in ph.
What evidence of chemical reaction when bleaching a stain?
For most kinds of bleach, it is Redox (Oxi-Reduction). Traditional bleach is mainly composed of molecules with chlorine, which is what bleaches the stains. When something is bleached it is because the chlorine is reacting with the substance in the stain. Since the chlorine ions are Cl-, they have extra electrons and donate them to the molecules of the stain: this is reduction of the molecules of the stain. The chlorine loses an electron exactly because it donated it to that molecule: this is oxidation of the chlorine ions. Hence Oxidation-Reduction, Oxi-Reduction, Redox.
Why does the color of aqueous potassium bromide change when chlorine gas is bubbled into it?
Chlorine is a stronger oxidizer than elemental Bromine. So, when yellowish chlorine gas is bubbled through the Bromide solution, a red colour is formed which is Bromine. Chlorine oxidizes Bromide ions to elemental Bromine while itself is reduced to Chloride ions. So, the total reaction is: Cl2 + Br- ----> Br2 + Cl-
Carbon dioxide is bubbled with lime water. what do we observe?
The carbon dioxide will change into a milky solution . If we further bubble through lime water the solution we be colourless.
If air is bubbled through hydrogen carbonate solution which is then poured into a test tube with small snails what colour would it change to?
yellow
What color change occurs when chlorine gas is passed through a solution of potassium bromide?
it goes from colourless to red/brown
What happens when acetylene is bubbled through bromine water?
Acetylene will change colour from orange to colourless.
What color does lime water change to when carbon dioxide is bubbled in?
The lime water goes cloudy.
Is chlorine gas becoming a liquid a physical or chemical change?
It is a physical change because the chemical composition has not changed.
Why can you not remove the salt from the solution by filtering?
Because the salt solution is monophasic; filtering is applied when a precipitate exist.
Does conductivitiy of water change as concentration of sugar change?
No. Sugar solution is not an electrolyte because it has no free charges in the solution to carry the electricity.
Is water corporation physical or chemical change?
chemical because it involves stuff like chlorine
How can you change combined chlorine to free available chlorine?
Just shock it to break point and your at free chlorine.
What Produces no change in cell volume because of osmosis?
it is an isotonic solution.
