Because it didn't react with the iodine, i don't know
why did the mixturestop turning the drops of iodine solution blue after 240 s
This is because there was no more starch left so the mixture stopped turning the drops of Iodine Solution blue after 240 s.
Straight iodine in the eyes causes tremendous stinging. I would say to dilute it.
NaCI + AgNO3 >>>>> NaNO3 + AgCI (white ppt.)
a dropper is a simple instrument used in chemistry to drop drops of chemicals. it is also a chemistry measurement. if you needed two drops of iodine solution (eg) then you would squeeze the soft part of it and drop one little drop into whateva you need to drop it on.
why did the mixturestop turning the drops of iodine solution blue after 240 s
This is because there was no more starch left so the mixture stopped turning the drops of Iodine Solution blue after 240 s.
Because it didn't react with the iodine, i don't know
reddish-brown * the color of glycogen solution with drops of NaCl and Iodine solution is Dark Orange. :) *NaCl will intensify the colour as it fulfills the optimum ionic requirement of the reaction
1. Place a small amount of starch powder in a test tube filled with cold water 2. Boil it to make a clear solution 3. Once the solution has cooled off, you should put 3 or 4 drops of iodine solution in it. 4. The solution should turn dark blue.
should i take iodine drops after having half of my thyorid removed
You could use drops of iodine solution (Povidone-iodine may work)to estimate vitamin C in solutions. Estimate the number of drops/volume needed to titrate a known sample of vitamin C (a tablet). Then apply that to unknown samples.
1. Place a small amount of starch powder in a test tube filled with cold water 2. Boil it to make a clear solution 3. Once the solution has cooled off, you should put 3 or 4 drops of iodine solution in it. 4. The solution should turn dark blue.
A chemical test for starch is to add iodine solution (yellow/brown) and look for a colour change.
-What is the principle reason for the iodine test?Answer:-This test is used to test for starch prenest in a given solution orIodine test is a test used to determine the presence of starch in a particular substance.A positive result will yield the purple-black color.For example, adding a few drops of iodine solution to potato will seem purple-black color in this solution --->This means that the potato contains starch.by:Abdullah nasser Al-naffar
I sell Lugol's formula iodine in the Philippines for $35 per 30ml (1 ounce) bottle. 4 drops daily will last approx. 3-4 months. Email me kahunarica@yahoo.com. Thanks.
brown dark