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What is the chemical indicator for starch and what color does starch turn in its presence?
Wiki User
∙ 11y ago
the chemical indicator used is iodine
and
starch turns in dark blue colour
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Wiki User
∙ 11y ago
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What is an indicator and what does it tell us?
An indicator is a chemical compound that changes colour and structure when exposed to certain conditions and is therefore useful for chemical tests. Litmus, for example, is an indicator that becomes red in the presence of acids and blue in the presence of bases.
What indicates the presence of starch in the food samples?
blue-black color indicates the presence of starch
What color change does starch indicator solution make in the absence of starch?
light orange/ yellow
Presence of blue or black color indicates the presence of what carbohydrate?
If I am remembering my science classes correctly blue or black coloring indicated the presence of starch.
What is acid base indicator?
An acid base indicator is a chemical substance that has the ability to change color depending on the pH.
What is the chemical used to test for the presence of starch?
The chemical used to test for the presence of starch is iodine.
What color change does starch indicator solution make in the presence of starch?
Iodine turns it purple in the presence of starch. :D~PiNkBuN17 Aka Aisha
What is an indicator and what does it tell us?
An indicator is a chemical compound that changes colour and structure when exposed to certain conditions and is therefore useful for chemical tests. Litmus, for example, is an indicator that becomes red in the presence of acids and blue in the presence of bases.
What indicates the presence of starch in the food samples?
blue-black color indicates the presence of starch
What will an indicator do in the presence of an acid or base?
This indicator changes his color.
What color occurs when the indicator is added and starch is added?
when starch indicator is added, the solution turns from dark blue-black to colourless.
Color of milk after adding iodine?
Starch is not present. Iodine is an indicator for starch.
Is a change in mass an indicator of chemical reaction?
No, it is NOT an indicator of a chemical reaction. Change in color IS an indicator of chemical change, though.
What color does the presence of starch indicates?
In Iodine Test the color that will confirm the presence of starch is black,dark brown or very dark purple
What color change does starch indicator solution make in the absence of starch?
light orange/ yellow
Is iodine an indicator of glucose?
No. Iodine is an indicator of starch which results in a bluish-black color when mixed.
What turns color in the presence of strach?
In the presence of starch, iodine turns purple.
