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What is the specific name of universal indicator?
A Universal indicator is a pH indicator composed of a solution of several compounds that exhibits several smooth colour changes over a pH value range from 1-14 to indicate the acidity or basicity of solutions. A universal indicator is typically composed of water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt.
What does universal indicator contain?
Water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, thymol blue monosodium salt.
How does the acid-base indicators change the colour of a substance?
Most indicators we meet in early science are acid base indicators and conform to this definition. However there are other types of indicator which can show up other types of chemical. For instance we use diphenylamine to show up the end point of the reaction between Fe2+ and potassium dichromate, and lead acetate paper to test for hydrogen sulfide.
What is the colour of phenolphthalein in salt water?
It will turn purple
Water is a solvent common salt but kerosene is not a solvent for common salt Give reason?
Water is the universal solvent. There are only a few substances that water can not dissolve, while there are many that kerosene can not.
What colour does universal indicator go if salt solution is added?
red
What colour uvirsal indicator go if added to soudium chloride?
Sodium Chloride a.k.a. table salt or sea salt is neutral and so Universal Indicator will go Green with a Ph 7
The name of the plant which universal indicator is made of?
From wikipedia: A universal indicator is typically composed of water, methanol, propan-1-ol, phenolphthalein sodium salt, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt
What colour does universal indicator turn in ammonia solution?
ammonium hydroxide is a basic or alkaline salt & phenolphthelin gives pink colour in basic medium because it is a basic indicator
What is the specific name of universal indicator?
A Universal indicator is a pH indicator composed of a solution of several compounds that exhibits several smooth colour changes over a pH value range from 1-14 to indicate the acidity or basicity of solutions. A universal indicator is typically composed of water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt.
How do you make a universal indicator?
Universal indicator is an aqueous solution of many indicators: methanol, propan-1-ol, phenolphthalein sodium salt, methyl red and monosodium salts of bromothymol blue and thymolblue. Most of these have a very complicated process associated with it during its manufacture.
What does universal indicator contain?
Water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, thymol blue monosodium salt.
Universal indicator is a mixture of what?
Universal indicators can be mixed with different substances. Universal indicators usually contain water, salt, propan-1-ol, sodium hydroxide, monosodium, phenolphthalein sodium salt, methyl red, bromothymol blue, and thymol blue monosodium salt
Why salt as a universal solvent?
Salt is not called the universal solvent. Water is called the universal solvent.
What is the colour of salt water?
blue
How can you tell when an acid has been neutralised?
well there are many ways, one way is noticing that a salt is produced, a basic formula acid+base->salt+water so if your cocky you can taste it, and another way is to notice has energy been produced or not, it might be harder or you can see if it bubbles or has any obvious change.
Is it possible to mix fresh water and salt water?
yes.water is a universal solvent
