Question

How will you test that tea dust is not adulterated with iron powder?

Answer 1

Hint :Adulteration is the action of making something poorer in quality by the addition of another substance. This added substance is known as Adulterant. An Adulterant is material mixed with other substances such as food, cosmetics, fuel or other chemical that compromises with the quality of the original substance. This addition of the Adulterant in the original substance is legally not allowed.
One of the severe types of Adulteration is Food Adulteration. This Adulteration may result in increased toxicity in the food or might lead to decreased nutrition values in the food or many more severe issues. These all lead to many diseases such as deficiency diseases, kidney disorders, and failure of heart, kidney or liver.

Complete Step By Step Answer:
In order to check the Adulteration of the tea dust with iron powder, we could use a magnet. Iron powder has magnetic properties and hence it could be separated using magnet. In order to check tea dust for adulteration with iron powder, spread it on a plate and then move a magnet over it. If nothing sticks to the magnet then tea dust is adulteration free otherwise it is not.

Note :
 In order to check tea dust for adulteration with iron powder just use the magnetic properties of the iron powder and move a magnet over it and hence the adulteration would be checked. Methods of Food Adulteration:
Some of the common types of Adulterants which are added in the food items are:
-Using chemicals for early ripening of fruits.
-Mixing bad or rotten fruits and vegetables with the good ones.
-Using natural and chemical dyes to attract consumers.
-Mixing low quality or cheaper substances with the original food item to enhance the profit earned.