Question

An adulterant of Arhar (Tuhar) dal is

• A. Brick powder
• B. Metanil yellow
• C. Kesari dal
• D. Gram dal

Answer 1

The correct option is B

Metanil yellow

The correct option is B.

Explanation of correct option:

1. Metanil yellow is a dye used to adulterate Arhar (Tuhar) dal.
2. It is used to make the Tuhar dal look brighter in color.
3. When the adulterated dal is washed with water, the water turns yellow in color.
4. If a few drops of HCl are added to that yellow solution, it will turn pink that confirming the presence of Metanil yellow in Tuhar dal.

Explanation of incorrect options

Option A:

1. The brick powder is an adulterant of red chili powder as they both look red in color.

Option B:

1. Since Kesari dal is cheap, it is used to adulterate other dals.

Option D:

1. Gram dal is also yellow in color, so it can also be adulterated with the Metanil Yellow dye.

Final Answer: Metanil yellow is an adulterant of Arhar (Tuhar) dal.