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When two solutions are combined and a chemical reaction occurs resulting in a change in the solution properties, such as a color change, release of gas, or formation of a precipitate, it is an indication that a new solution has been formed. This can be identified by conducting tests like pH testing, precipitation reactions, or observing any visible changes.
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Will the colour of methyl orange change if pure water is added to it?
Yes, the color of methyl orange will change if pure water is added. Methyl orange is an acid-base indicator that appears red in acidic solutions and yellow in neutral to basic solutions. When pure water is added, it dilutes the solution, potentially shifting it towards a more neutral pH, which can lead to a change from red to yellow as it becomes less acidic.
What is the color of phenol red at acidic pH?
Very strong acid solutions that have phenolphthalein added to them turn orange, but in general acidic solutions with phenolphthalein are colorless. If the solution is titrated to slightly basic (pH > 8.2) it will turn pink. Note that in extremely basic solutions (pH > 13) it will revert to colorless again.
When more solvent is added to a solution what happens to the concentration?
When more solvent is added to a solution, the concentration of the solute decreases. This is because the total volume of the solution increases while the amount of solute remains constant, resulting in a more diluted solution.
What is the single word used to describe a solid being fomed when 2 clear solutions are added together?
It is a precipitate.
What can conclude from the color of the solutions made from the magnesium aluminum oxides when phenolphthalein was added?
The color of the solutions made from magnesium aluminum oxides when phenolphthalein is added indicates their pH level. If the solution turns pink, it suggests that the solution is basic, as phenolphthalein changes color in alkaline conditions. Conversely, if the solution remains colorless, it indicates an acidic or neutral pH. Thus, the observed color change can help determine the acidic or basic nature of the magnesium aluminum oxides in solution.
Buffers tend to prevent dramatic changes in the pH when are added to a solution?
Buffer solutions tend to prevent dramatic changes in the pH of a solution when a weak acid and its conjugate base are added. An example of a buffer solution is blood.
How does the addition of nach3co2 affect the pH of a ch3cooh solution?
Adding NaCH3CO2 to a CH3COOH solution will cause a shift in equilibrium toward the formation of more CH3COO-. Since CH3COO- is the conjugate base of CH3COOH, the solution will become more basic and the pH will increase.
Will the colour of methyl orange change if pure water is added to it?
Yes, the color of methyl orange will change if pure water is added. Methyl orange is an acid-base indicator that appears red in acidic solutions and yellow in neutral to basic solutions. When pure water is added, it dilutes the solution, potentially shifting it towards a more neutral pH, which can lead to a change from red to yellow as it becomes less acidic.
When the acidic solution is added to the basic solution what happens to the pH does it increase decrease or stays the same?
When an acidic solution is added to a basic solution, the pH will decrease. This is because the addition of the acidic solution will neutralize some of the hydroxide ions in the basic solution, resulting in a decrease in pH.
What is the action of an aqueous solution of borax on litmus?
An aqueous solution of borax will have a slightly basic pH. Litmus is a pH indicator that turns blue in basic solutions and red in acidic solutions. Therefore, when litmus is added to an aqueous solution of borax, it will likely turn blue.
When a drop of sodium hydroxide is added to water the solution becomes basic?
If it's added to tap water, maybe and maybe not. If it's added to distilled water, the answer is yes.
Phenolphthalein solution is used as an indicator of acids and bases. If added to an ammonia-based solution of window cleaner we would expect the solution to turn?
Phenolphthalein will turn pink or magenta in basic solutions and remain colorless in acidic solutions. Therefore, if added to an ammonia-based solution of window cleaner, which is basic, we would expect the solution to turn pink or magenta.
What happens to red litmus paper when a neutral solution is added?
Red litmus paper remains red when a neutral solution is added. This is because neutral solutions do not affect the color of red litmus paper.
What is the color of phenol red at acidic pH?
Very strong acid solutions that have phenolphthalein added to them turn orange, but in general acidic solutions with phenolphthalein are colorless. If the solution is titrated to slightly basic (pH > 8.2) it will turn pink. Note that in extremely basic solutions (pH > 13) it will revert to colorless again.
When phenolphthalein is added to ammonium hydroxide is the color of the final solution is pink?
Phenolphthalein is an indicator often used in chemical titrations. Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions. The more basic the solution the pinker the solution will become when Phenolphthalein is present.
When more solvent is added to a solution what happens to the concentration?
When more solvent is added to a solution, the concentration of the solute decreases. This is because the total volume of the solution increases while the amount of solute remains constant, resulting in a more diluted solution.
What liquid solution becomes red in an acid?
Phenolphthalein solution turns red in an acidic environment. This color change occurs due to the shift in the pH of the solution, which causes phenolphthalein to undergo a chemical transformation and display a red hue in acidic conditions.
