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What else can I help you with?
How can you test if powder is talc or cornstarch?
One way to test if a powder is talc or cornstarch is by performing a iodine test. Mix the powder with iodine solution; if the mixture turns blue-black, it is likely cornstarch. Another way is to do a simple solubility test: dissolve the powder in water and if it is talc, it will not dissolve and settle to the bottom, while cornstarch will dissolve.
If tadpoles are placed in iodine deficient water what will happen to them and why?
In case of frogs or tadpoles the growth or metamorphosis is controlled by thyroxine hormone. Presence of iodine is must for th production of thyroxine hormone.
What is the formula for iodine water?
The formula for iodine water is I2 (molecular iodine) dissolved in water.
Is cornstarch soluble?
Cornstarch is not soluble in water; instead, it forms a suspension when mixed with water. When cornstarch is added to water, it doesn't dissolve but can create a thick mixture due to its ability to absorb water and swell. However, when heated, cornstarch can undergo gelatinization, which allows it to thicken liquids more effectively.
Can you separate the cornstarch from water without using filter paper?
Yes, you can separate cornstarch from water by letting the mixture sit until the cornstarch settles to the bottom, then carefully pouring off the water. You could also use centrifugation to separate the cornstarch by spinning the mixture at high speed to force the cornstarch to the bottom of the container.
Is cornstarch mixed with water a chemical reaction?
No, mixing cornstarch with water is not a chemical reaction. It is a physical change. The cornstarch particles disperse throughout the water, but no new substances are formed.
Will cornstarch dissolve in water?
Yes, cornstarch can dissolve in water to form a mixture called a suspension. When stirred, the cornstarch particles disperse in the water but do not fully dissolve like sugar or salt would.
What is in slime?
Cornstarch and water mixed.
How quicksands forms?
with cornstarch and water
Is mixture of iodine and water heterogeneous and why?
Yes, a mixture of iodine and water is heterogeneous because the iodine does not dissolve completely in water, resulting in distinct particles of iodine suspended in the water. This makes it easy to visually distinguish between the iodine and water components.
What is the chemical formula for cornstarch added to water?
Well, there is no chemical reaction, really, since the cornstarch still remains cornstarch. (and if you dry it, it becomes cornstarch again) It's just that the cornstarch lightly bonds to the water which then lightly bonds to other cornstarch, creating a net-like substance. This net is easily broken and made, thus increasing the viscosity of the fluid and adding some other interesting properties to it as well.
Can cornstarch dissolve in oil?
Cornstarch does not dissolve in oil; rather, it is hydrophilic and dissolves in water. When mixed with oil, cornstarch may form a suspension or paste, but it won't dissolve like it does in water. The two substances have different polarities, which prevents cornstarch from fully integrating into the oil.
