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What else can I help you with?
Is fizzy drink an alkali?
No, fizzy drinks are not alkali; they are typically acidic. Most carbonated beverages contain carbonic acid, which forms when carbon dioxide is dissolved in water. This acidity can lead to a low pH, making fizzy drinks sour rather than alkaline. Some may have added ingredients that can slightly alter their pH, but generally, they remain acidic.
What is a substance used as a dye to show visually usually by its capacity for color change the condition of a solution with respect to the presence of free acid or alkali or some other substance?
A substance used as a dye to indicate the condition of a solution regarding free acid or alkali is known as a pH indicator. These compounds change color at specific pH levels, providing a visual representation of the acidity or alkalinity of the solution. Common examples include litmus, phenolphthalein, and bromothymol blue, each of which has a distinct color change range. pH indicators are essential in various fields, including chemistry, biology, and environmental science, for monitoring and analyzing solutions.
Does alkali has a pH of over 12?
Some do. But all alkali have a pH value of more than 7.
Which idicator is red in acid and purple in an alkali?
The indicator that turns red in acid and purple in alkali is phenolphthalein. In acidic solutions, phenolphthalein appears colorless or red, depending on concentration, while in alkaline solutions, it turns purple. This property makes it useful for determining pH levels in various chemical applications.
What can tell us wether something is acid or alkali?
You can measure the pH value, if the value is below 7, then it is an acid. (1 being the strongest, 7 being neutral.) There are also some indicators, phenopthalin (think that is what is it called) which will turn purple, when poured into an acid.
Will the pH change when an alkali is added to an acid?
Yes, the pH will change when an alkali is added to an acid. The addition of an alkali to an acid will result in the neutralization reaction, forming water and salt. This reaction will change the pH towards being more neutral.
What happens to the pH when an alkali is added to a acid?
When an alkali is added to an acid, the pH increases as the acid is neutralized by the base. This reaction forms water and a salt. The pH ultimately depends on the strength of the acid and the alkali.
How can you describe the way the pH changes when a strong acid is added slowly to a strong alkali?
As a strong acid is added slowly to a strong alkali, the pH will gradually decrease due to the neutralization reaction. Initially, the pH will increase as the alkali is added, then start to decrease as the acid is added until it reaches a neutral pH of 7 when the acid and alkali are fully neutralized.
What is the change in PH when an alkali is slowly added to an acidic solution?
The actual answer depends on the strength of the acid / alkali used. However the pH will change from around 1-6 to 8-14 depending on the strength of the acid / base. pH ~1 for strong acid pH ~6 for weak acid pH ~8 for strong base pH ~14 for strong base
What happens to the pH when acid is added to an alkali does it go up or down?
When acid is added to an alkali, the pH decreases or goes down. This is because the acid donates hydrogen ions (H+) to the alkali, neutralizing the alkaline properties and shifting the pH towards neutrality or acidity.
What happens to pH value when alkali is added to an acid?
If you are asking about acid then the pH value will go from 7- to 7+.... If you are asking about the alkali the pH value will go from 7+ to 7-....
What changes in PH occurs if an alkali is slowly added to an acidic solution?
The actual answer depends on the strength of the acid / alkali used. However the pH will change from around 1-6 to 8-14 depending on the strength of the acid / base. pH ~1 for strong acid pH ~6 for weak acid pH ~8 for strong base pH ~14 for strong base
How does the color change when a strong acid is added an alkali to neutralise?
The color does not change unless an indicator such as litmus or phenolphthalein is being used. If litmus the color change is blue to red If phenolphthalein the change is red to colorless
Describe a solution that contains a buffer?
Acetic acid is added to the solution, but the pH of the solution does not change. Sodium hydroxide, a base, is added to the solution, but the pH of the solution does not change.
What happens when drops of pH is added to an alkali?
When drops of a strong acid are added to an alkali, the pH will decrease due to the acidic nature of the acid. This will result in neutralization of the alkali as the acid and base will react to form a salt and water. The final pH will depend on the amount of acid added and the strength of the base.
How could you titrate an acid and alkali without the use of an indicator?
If the acid or alkali forms an insoluble salt, you could titrate it that way. For instance, suppose you had a solution of sulfuric acid of unknown concentration. You could add calcium hydroxide until the precipitate stops forming and determine the strength of the acid by the amount of base added. If both the acid and alkali are soluble, a pH meter can be used to measure the change in pH of the solution. Drawing the change of pH against volume titrated will thus give the endpoint of the reaction.
Does water change the pH level of vinegar?
Yes, water can dilute vinegar and change its pH level slightly. Adding water to vinegar will decrease its acidity, thus raising the pH level. However, the change may be minimal depending on the amount of water added.
