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What else can I help you with?
Why do you add pond weed to fish ponds?
Because fish who can't hunt for food need the pond weed .
What kind of information caused scientists to add the level domain to the system of classification?
you would need a teacher to help you. NOT ME
What care do chickens need?
Chickens need proper shelter to keep them safe from predators and the elements, access to fresh water and balanced feed for nutrition, space to roam and peck, and regular health checks to prevent illness. Additionally, they require protection from pests and diseases, such as mites and avian flu.
How often do you need to put chlorine neutralizer into a fish tank?
the only time you need to use a dechlorinator is when you do any water changes. you always add dechlorinator to any new water goin into the tank. once the water is neutralized you wont have to add any more. just make sure to follow the directions of the product you use.
Do tropical fish need salt water?
Not all tropical fish need saltwater. Some tropical fish, like freshwater species, live in rivers, lakes, and other non-saltwater environments. It's important to research the specific needs of the fish species you want to keep to ensure they are in the appropriate environment.
Why water must be added before you add the iodine solution at the slide?
Water must be added before the iodine solution to create a dilute environment that allows the iodine to spread evenly across the specimen. This prevents the iodine from clumping and ensures better visibility of cellular structures under the microscope. Additionally, water helps to preserve the specimen's natural shape and prevents damage that could occur from direct application of the iodine.
How do you prepare 0.1 Normality of iodine solution?
To prepare 0.1 Normal iodine solution, you would need to dissolve 12.7 grams of iodine in 1 liter of a solvent such as water and then adjust the volume accordingly. This solution can be standardized using a thiosulfate solution to verify the normality.
How do you prepare Wijs solution from iodine monochloride vial for determining the iodine value of a fatty acid?
To prepare Wijs solution from iodine monochloride vial, weigh a specific amount of the iodine monochloride into a flask, add glacial acetic acid, then add a small amount of iodine crystals and mix well until dissolved. The resulting solution is Wijs solution, which can be used for determining the iodine value of a fatty acid by titration with unsaturated bonds in the fatty acid.
How do you prepare 0.1M iodine solution?
To prepare a 0.1M iodine solution, dissolve 12.7g of iodine (I2) in 1 liter of distilled water. Make sure to handle iodine with care as it can stain and irritate the skin and eyes. Stir the solution until the iodine is completely dissolved.
When you add iodine solution on a starch food the color would be?
Blue-black.
How do you test for presence of Barium and Iodine in aqueous solution?
To test for the presence of barium in an aqueous solution, you can add a sulfate solution, such as barium sulfate, which will form a white precipitate if barium is present. For iodine, you can add a few drops of starch solution; if iodine is present, it will produce a blue-black color due to the formation of the iodine-starch complex. Both tests should be conducted under controlled conditions to ensure accurate results.
Preparation of 0.1n iodine solution?
According to Kodak: For a 0.1 Normal (0.1N) solution of iodine (I2), in 1 L volume flask, dissolve 40 g potassium iodide in 25 mL water. Next, add 12.7 g iodine (I2) and dilute to 1 L. Note that a 0.1N solution is not the same as a 0.1M solution. For iodine 0.1N is 0.05M.
What colour does bread go when you add iodine solution?
Bread turns blue-black when iodine solution is added due to the presence of starch. The iodine reacts with the starch molecules in the bread, forming a complex that gives this characteristic color change.
How do you add cornstarch?
You can test for starch in general using the chemical iodine test. If starch is present, a solution of iodine (I2) turns blue-black.
What happens when you add iodine crystal and chloroform?
iodine is soluble in CHCl3. Liquid become purple in color.
What is the food test for starch?
It is simply called the Starch test which is the process of testing something for the presence of starch. Add Iodine solution to whatever is it you're testing and a dark blue/black color indicates the presence of starch
How do you prepare 0.02 n iodine solution?
2.538g in 1000ml. If you are making this for a titration, like for SO2 or thiosulfate, you need also to add iodide: 1. dissolve 8 g potassium iodide in about 250 mL water. 2. add 2.538 g iodine to the water solution. Stir until dissolved. 3. transfer to a 1000 mL volumetric flask and Q.S. to 1000 mL You should standardize vs. thiosulfate or arsenious oxide.
