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What else can I help you with?
Would a pure substance show more than one color or spot in a chromatogram. explain?
No, a pure substance would only show a single color or spot in a chromatogram because it consists of only one compound without any impurities. Each compound present in a sample will appear as a distinct spot with a unique color in the chromatogram.
How do you calculate Rf in chromatography?
In chromatography, Rf is the distance the solute travels divided by the distance the mobile phase travels. For example, in thin layer chromatography, if the spot travels 7 cm, and the mobile phase travels 15 cm, the Rf value for that spot will be 7/15 = 0.47
How do you remove iron oxide stains from clothes?
Materials You Will Needlemon or lemon juice and table saltor mild dishwashing soap and ammoniaor commercial rust removal productInstructions for Removing Rust StainsFirst, do not make the stain worse by applying chlorine bleach as this will react with the rust and may intensify the discoloration.Remove as much of the rust stain as possible before applying a treatment.Follow the instructions on the package if you are using a commercial rust removal product.Squeeze lemon juice onto the stain so that the spot is thoroughly saturated.Sprinkle salt onto the lemon juice.Allow the salt and juice to react with the stain for 24 hours. Refresh the lemon juice to keep the spot damp.Blot the stain (do not rub, as this may damage the fibers).Rinse the spot with cool water. You may repeat the process, if needed.Another method is to apply a mixture of 1/4 teaspoon mild liquid dish soap in one cup warm water. Thoroughly saturate the stain and allow the solution to react for at least 5 minutes. The surfactants in the detergent will help to lift the rust particles.Blot the stain with a clean white cloth or paper towel and rinse it with cool water.Repeat this process until the stain is removed or until no more discoloration is picked up by the cloth.Thoroughly rinse the spot with water to remove all traces of cleaning solution.If the rust stain persists, saturate the stain with a solution of 2 tablespoons ammonia in 4 cups warm water.Blot the spot with a white cloth or paper towel.Rinse the spot with cool water.For carpeting or upholstery, layer clean cloths or paper towels over the spot to remove any moisture.
How does a grease spot form on a piece of brown paper?
A grease spot forms on a piece of brown paper when a substance containing oil or fat is transferred onto the paper. The oil or fat is not absorbed by the paper and thus forms a visible spot.
What are the criteria of purity of organic compound?
The property of an compound which is most frequently determined as a criteria of purity is the melting point because in general it may be said that a pure compound has usually a sharp melting point (i.e., the substance melts entirely within a rang of about 1 c) ,whereas an impure substance has an indefinite melting point, and will therefore melt slowly and indecisively over a rang of several degrees.
What word can you add to spot to make a compound word?
Examples of compound words that can be made from the word 'spot' are:hot spotbeauty spotspot cleanspot checkspotlessspotlightsunspotparking spotliver spotvacation spot
Compound words with high spot and head?
Highlight Spotlight Headlight
When did Cool Spot happen?
Cool Spot happened in 1993.
When was Cool Spot created?
Cool Spot was created in 1993-06.
An unknown compound A gave the following results with spot tests?
Can you please provide the results of the spot tests for compound A?
What are the release dates for Cool Spot - 1993 - VG?
Cool Spot - 1993 - VG was released on: USA: 1993
Is vacation spot a compound subject?
spot is the subject while vacation is the adjective.
Where is the dark cool spot on the sun?
They are transitory.
What dark cool spot on the sun?
Sunspots. They are only "cool" relative to the rest of the Sun.
What is the code for spot less SpongeBob?
the answer is cool sponge
How might changes in solar energy affect energy affect earth's climate?
In the words of bekey "As the sun spot activity increases, the Earth tends to warm up. Conversely as sun spot decreases the Earth tends to cool a bit."
Where is a good spot to store ammunition?
A cool, dry place
