Question

The chemical reagent used for testing the presence of sand in wheat flour is

Answer 1

To test the adulteration, you can simply sprinkle some flour in a glass of water and check if the bran floats on the top. Sometimes wheat flour is also adulterated with chalk powder. You can check for the presence of chalk powder by adding some dilute hydrochloric acid the grain sample in a test tube.

Flour is not a single chemical, but rather a heterogeneous mixture of a number of different chemical compounds. The exact formulation depends on the type of flour. The largest component is typically starch. Other components include simple sugars, such as fructose, glucose, sucrose, and maltose.