Which of the following tests is used for starch detection?

Correct option is A

The Iodine test is used for starch detection. When iodine solution is added to a sample containing starch, a color change to blue-black is observed, indicating the presence of starch.
Glucose Test:
This test is employed to measure the glucose levels in blood or urine, commonly using test strips or digital devices, crucial for monitoring and managing diabetes.
Salt Test:
A salt test involves identifying the presence of chloride ions in a sample, typically through the addition of silver nitrate, which forms a white precipitate of silver chloride if chloride ions are present.
Sodium Test:
The sodium test measures the concentration of sodium ions in bodily fluids, crucial for diagnosing and monitoring conditions affecting the body’s fluid and electrolyte balance, such as dehydration or heart disease.