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When you mix a few drops of phenolphthalein solution to a beaker of pure water mixed with calcium hydroxide what happens?
The phenolphthalein solution will turn pink in the presence of the basic calcium hydroxide solution. This color change indicates the presence of a base. This reaction is commonly used as an indicator for determining the endpoint in acid-base titrations.
When a drop of phenolphthalein is introduced in barium hydroxide the solution turns what colour?
The solution turns pink when a drop of phenolphthalein is introduced in barium hydroxide. Phenolphthalein is a pH indicator that changes color in the presence of alkaline solutions, indicating the basic nature of barium hydroxide.
What colour in calcium hydroxide is methyl orange?
Methyl orange turns red in the presence of calcium hydroxide.
What is the color of lime water when phenolphthalein is added into lime water?
The color is pink with phenolphthalein.
What is the colour of the precipitate formed when a calcium salt reacts with sodium hydroxide solution?
The precipitate formed when a calcium salt reacts with sodium hydroxide solution is white. This white precipitate is calcium hydroxide, which is sparingly soluble in water.
What happens when you mix calcium hydroxide and phenolphthalein?
When you mix calcium hydroxide and phenolphthalein, the solution will turn pink or magenta in color. This color change indicates that the solution is basic, as calcium hydroxide is a strong base. Phenolphthalein is a pH indicator that changes color in the presence of bases.
When you mix a few drops of phenolphthalein solution to a beaker of pure water mixed with calcium hydroxide what happens?
The phenolphthalein solution will turn pink in the presence of the basic calcium hydroxide solution. This color change indicates the presence of a base. This reaction is commonly used as an indicator for determining the endpoint in acid-base titrations.
What colour appear when lime water plus phenolphthalein?
When lime water (a solution of calcium hydroxide) is mixed with phenolphthalein, the solution turns pink. This occurs because phenolphthalein is a pH indicator that changes color in basic solutions. Lime water is alkaline, so it causes the phenolphthalein to shift from colorless to pink in the presence of a base.
When a drop of phenolphthalein is introduced in barium hydroxide the solution turns what colour?
The solution turns pink when a drop of phenolphthalein is introduced in barium hydroxide. Phenolphthalein is a pH indicator that changes color in the presence of alkaline solutions, indicating the basic nature of barium hydroxide.
What is the action of sodium hydroxide on the colour of phenolphthalein?
Phenolphthalein is pink in basic solutions.Phenolphthalein is used as an indicator in volumetry - acid-base titration.
What colour in calcium hydroxide is methyl orange?
Methyl orange turns red in the presence of calcium hydroxide.
What substance turns calcium hydroxide in to yellow colour?
Calcium hydroxide can turn yellow when it reacts with certain substances, most commonly due to the presence of organic compounds or indicators like phenolphthalein. However, a more specific example is when calcium hydroxide is exposed to light and carbon dioxide, leading to the formation of calcium carbonate, which can impart a yellow hue under certain conditions. Additionally, impurities or the presence of other chemicals can also result in a yellow coloration.
What is the colour of calcium hydroxide?
White as pure, dry substance
What is the color of lime water when phenolphthalein is added into lime water?
The color is pink with phenolphthalein.
What colour would lime water turn in phenolphthaleln?
Lime water, which is a solution of calcium hydroxide, does not change color when phenolphthalein is added. Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions. Since lime water is basic, it would typically show a pink color when phenolphthalein is present. However, if the lime water is sufficiently dilute, the color change may not be very pronounced.
Colors of sodium hydroxide in phenolphthalein?
Sodium hydroxide in phenolphthalein solution appears as a bright pink color when the solution is basic due to the presence of hydroxide ions. Conversely, in neutral or acidic solutions, the color fades to become colorless.
What is the colour of the precipitate formed when a calcium salt reacts with sodium hydroxide solution?
The precipitate formed when a calcium salt reacts with sodium hydroxide solution is white. This white precipitate is calcium hydroxide, which is sparingly soluble in water.
