flour is a white solid that burns and does not dissolve in water. sugar is a white solid that dissolves in…

flour is a white solid that burns and does not dissolve in water. sugar is a white solid that dissolves in water and will turn brown and give off a sweet odor when heated. a student finds an unlabeled container in the kitchen that is either flour or sugar. describe a procedure that they could follow to identify the substance and explain how the student could use the properties of the substance to identify it.

flour is a white solid that burns and does not dissolve in water. sugar is a white solid that dissolves in water and will turn brown and give off a sweet odor when heated. a student finds an unlabeled container in the kitchen that is either flour or sugar. describe a procedure that they could follow to identify the substance and explain how the student could use the properties of the substance to identify it.

Answer

Explanation:

Step1: Consider water - solubility property

Add a small amount of the substance to a glass of water and stir. If it dissolves, it is sugar. If it does not dissolve, it is flour.

Step2: Consider taste (if safe)

If the water - solubility test is inconclusive or for confirmation, and it is safe to do so, taste a tiny amount. Sugar has a sweet taste while flour does not.

Step3: Consider heating property

Heat a small amount of the substance in a dry pan. If it turns brown and gives off a sweet odor, it is sugar. If it burns without the sweet odor, it is flour.

Answer:

To identify the substance, first add a small amount to water and check for solubility. If it dissolves, it is sugar; if not, it is flour. If needed, for confirmation, taste a tiny amount (if safe) or heat a small amount in a dry pan and observe for browning and sweet odor (sugar) or just burning (flour).