Benedict solution - is used to test sugary food., Biuret solution - is a reagent used to test the presence of proteins in food., Ethanol - is used to test lipids., Iodine solution - is used to test starchy food., If Iodine is in contact with potato, - then it will turn blue-black., If Benedict solution is in contact with apple juice and takes a hot bath, - then it may turn brick red., If Ethanol is in contact with an oil sample and it's added water,  - then it will turn into a white emulsion., If Biuret solution is in contact with a piece of protein,  - then it will turn into purple., Tests using reagents, such as Biuret, Benedict, Ethanol and Iodine, are useful for... - identifying the type of nutrient present in food., To get a food smple it may be necessary to - crush the food or add water to the food before adding the reagent.,

SIR.FOOD TESTS

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