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What happens when iodine solution turns blue-black what substance is present?
Wiki User
∙ 10y ago
Starch is present. Check a potato with iodine.
Wiki User
∙ 10y ago
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Why did each of the solutions turn iodine blueblack at the start of the experiments?
Iodine is famous for testing of the presence of starch. I would assume starch is present in the solution, therefore iodine would turn blue. Originally, the colour of iodine solution is brown.
What is the purpose of adding an indicator to an unknown solution?
Indicators contain chemicals that will react with certain substances. If that substance is present in your unknown solution, a reaction will occur. If no reaction occurs, then that substance is not present in your solution
What substance should be present in dialysis solution?
urine
What substance is present in the largest amount in a solution?
You think probable to a solvent.
When iodine solution turns blue-black what substance is present?
Starch
When iodine solution turns blue black what substance is present?
Starch
If iodine solution turns blue-black what substance is present?
Starch.
What is the difference between amount and concentration?
quantity of substance present in solution
What does solute meen?
A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
How many parts are in a solution?
There are two parts in a solution. One of them is solvent and another one is solute. solvent is the substance which present in large amount. solute is the substance which present in smaller amount.
Substance present in smaller amount in a mixture?
The substance in a solution that is present in the smaller amount is called the solute. The substance that has a higher amount is called the solvent.
What test could you use to find out if CO2 gas is present in a small container?
Blow it through limewater. If the limewater turns "milky" or "cloudy" (a white substance is shown) then Carbon Dioxide is present. If nothing happens, then Carbon Dioxide is not present in your solution.
