Question

Which of the following is used to chemically test starch?

A Chlorine solution Correct Answer Incorrect Answer
B lodine solution Correct Answer Incorrect Answer
C Sulphur solution Correct Answer Incorrect Answer
D Bromine solution Correct Answer Incorrect Answer

Solution

The presence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by boiling it in alcohol and then putting two drops of iodine solution, it is a colour change to blue indicates the presence of starch

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