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How does Benedicts solution work with sugar?
Benedict's solution is a chemical reagent used to test for the presence of reducing sugars, such as glucose. When heated with a reducing sugar, such as glucose, in the presence of an alkali (sodium carbonate), a redox reaction occurs, causing the blue color of the Benedict's solution to change to a brick-red precipitate of copper oxide. The intensity of the color change is proportional to the amount of reducing sugar present in the solution.
What is alkaline pottassium permanganate solution?
Alkaline potassium permanganate solution is a solution of potassium permanganate containing an alkali. The alkali can be sodium hydroxide or potassium hydroxide.
What turns red in the presence of acid and blue in presence of alkali?
It is Litmus Paper.
What makes phenolphthalein turn alkali pink?
Phenolphthalein turns pink in the presence of a base or any solution with a ph over 7.
What is the material used to remove an indicator from a neutralized solution how does this work?
it is universal indicator with mixture of alkali
How does Benedicts solution work with sugar?
Benedict's solution is a chemical reagent used to test for the presence of reducing sugars, such as glucose. When heated with a reducing sugar, such as glucose, in the presence of an alkali (sodium carbonate), a redox reaction occurs, causing the blue color of the Benedict's solution to change to a brick-red precipitate of copper oxide. The intensity of the color change is proportional to the amount of reducing sugar present in the solution.
When some aci is added to a solution of an alkali will the pH value of the solution increase or decrease explain?
When an acid is added to a solution of an alkali, the pH of the solution will decrease. This is because the acid will increase the concentration of hydrogen ions, leading to a more acidic solution.
Which ion is excess in alkali solution?
OH- ions are present in excess in alkaline solution
How would you obtain an alkali from a base?
An alkali can be obtained from a base by adding water to the base. The resulting solution will have a pH greater than 7, indicating the presence of an alkali. Examples include sodium hydroxide (base) forming sodium hydroxide solution (alkali) when dissolved in water.
What is used to detect the presence of an acid or alkali?
A universal indicator is commonly used to detect the presence of an acid or alkali. It changes color based on the acidity or alkalinity of a solution, helping to identify whether a substance is acidic, neutral, or alkaline.
What color does onion skin turn in acid and alkali?
Onion skin turns red in acid and green in alkali due to the presence of anthocyanin pigments that change color based on the pH of the solution.
What is a hydroxide solution a acid or alkali?
A hydroxide solution is typically considered an alkali. This is because hydroxide ions (OH-) present in the solution can accept protons, leading to a basic (alkaline) pH.
Is sodium hydrogen carbonate n acid or alkali?
Sodium hydrogen carbonate is a weak base (alkali) due to the presence of the bicarbonate ion that can accept a proton (H+). It can act as a buffer to help maintain a stable pH solution.
What is alkaline pottassium permanganate solution?
Alkaline potassium permanganate solution is a solution of potassium permanganate containing an alkali. The alkali can be sodium hydroxide or potassium hydroxide.
What turns red in the presence of acid and blue in presence of alkali?
It is Litmus Paper.
What turns red in the presence of acid and blue presence of alkali?
A red litmus paper turns blue in the presence of a base/alkali, while a blue litmus paper turns red in the presence of an acid.
How acid and alkali can form neutral solution?
Acids and alkalis can form a neutral solution through a chemical reaction called neutralization. When an acid reacts with an alkali, they neutralize each other's properties, resulting in the formation of water and a salt. The presence of an equal amount of acid and alkali in the solution creates a neutral pH.
