# Fluorescent dyes are added in detergents to _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Fluorescent dyes are added in detergents to _____ ? Correct Answer: A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving thewhiteness appearance of white fabrics. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [Chemical Engineering Mcqs](https://test-prep.blog/categories/chemical-engineering-mcqs)
Difficulty: Easy 87% Accuracy

# Fluorescent dyes are added in detergents to _____ ?

Direct Answer & Quick Reference

The correct option is **A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving thewhiteness appearance of white fabrics**.

A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the

B. Attain distinctiveness from other brands

C. Act as tarnish inhibitor for metals like German silver

D. None of these

✨ Explain with AI

Verified Key: A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving thewhiteness appearance of white fabrics
Solved by 5,922+ students

Verified against official examination board answer keys and standard curriculum textbooks.

- [Previous Question Which of the following is a type of sedimentary rock?](https://test-prep.blog/mcq/which-of-the-following-is-a-type-of-sedimentary-rock-3c37d9b4-29f3-4b85-8ee8-c30cddad8e31)
- [Next Question Which of the following rock favors petroleum formation?](https://test-prep.blog/mcq/which-of-the-following-rock-favors-petroleum-formation-8de34f5c-5054-406d-81ba-a2b7a775b708)

- [Practice More Chemical Engineering Mcqs MCQs](https://test-prep.blog/quiz/smart?category=chemical-engineering-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Chemical Engineering Mcqs categorized with explanations.

- [Browse All Chemical Engineering Mcqs MCQs →](https://test-prep.blog/categories/chemical-engineering-mcqs)

## Related Questions

- [Which of the following is a type of sedimentary rock?](https://test-prep.blog/mcq/which-of-the-following-is-a-type-of-sedimentary-rock-3c37d9b4-29f3-4b85-8ee8-c30cddad8e31)
- [Which of the following rock favors petroleum formation?](https://test-prep.blog/mcq/which-of-the-following-rock-favors-petroleum-formation-8de34f5c-5054-406d-81ba-a2b7a775b708)
- [DLS stands For _____ ?](https://test-prep.blog/mcq/dls-stands-for-334d51e8-f12a-4948-aae4-0a921c1cabdc)
- [RIH stands for _____ ?](https://test-prep.blog/mcq/rih-stands-for-bb6912da-ac66-4daa-8872-080b0065be37)
- [“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of _____ ?](https://test-prep.blog/mcq/the-heat-capacity-of-a-solid-compound-is-approximately-equal-to-the-sum-of-the-h-05c6d5e6-380a-4820-b10d-3ecfd779b04c)

---
*Source: https://test-prep.blog/mcq/fluorescent-dyes-are-added-in-detergents-to__________________-38478ae4-4b05-474f-85a0-88f1d33aebf3*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*
