# PTE ASQ #5: Chemical Agents for Textile Whitening

Answer Short Question #5 - Level 1 - Feeds Listening

> You will hear a question. Please give a simple and short answer. Often just one or a few words is enough.

## Answer

Bleach

## Explanation

The correct answer is bleach. This chemical is widely used in the textile industry to remove natural pigments and achieve a bright white finish on fabrics.

What to watch: The key words are "chemical" and "make cloth white." The answer is "bleach." One word is enough. Avoid "soap" or "detergent," which clean cloth but do not turn it white.

## Hints

- Think about the common household product used to remove stains and brighten white laundry.
- The chemical is a strong oxidizing agent that breaks down the molecular bonds of color-producing compounds.

## Transcript

What is the chemical that is used to make cloth white？

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