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Golden Lyrics HUNTR/X(헌트릭스) 골든 (가사/한국어발음/해석)

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사자 보이즈(Saja Boys) - SODA POP (Official Lyric Video) | 케이팝 데몬 헌터스 | 넷플릭스

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Fireworks and scarlet sails mark finale of St. Petersburg's White Nights festivities

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Here is a worksheet on **"Why is detergent added in milk?"** based on the information from the search results:

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Here is a worksheet on **"Why is detergent added in milk?"** based on the information from the search results:

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### Worksheet: Why is Detergent Added in Milk?

**Objective:** Understand the purpose and effects of adding detergent to milk, especially in the context of milk adulteration.

#### 1. Introduction

Milk is a natural liquid containing water, fats, proteins, vitamins, and minerals. Sometimes, detergent is added to milk illegally. This worksheet explores why detergent is added and its consequences.

#### 2. Why is detergent added to milk?

- Detergent is used to **emulsify fats and oils in water**, creating a frothy, white liquid that looks like milk.

- It helps to **dissolve vegetable fats** and other oils added to synthetic or adulterated milk, making the mixture appear similar to natural milk.

- Detergent also **prevents milk from curdling quickly**, thus increasing its shelf life artificially.

- It is often combined with other chemicals like caustic soda, urea, and sugar to mimic the properties of real milk[1][7].

#### 3. What happens when detergent is added to milk?

- Detergent molecules have two ends: one attracted to water and the other to fats. This causes detergent to interact with milk fat, breaking surface tension and causing fat particles to move around[2][9].

- This interaction can be observed in experiments where detergent added to milk with food coloring causes swirling patterns due to fat movement[2][4][9].

- The detergent creates a frothy, white appearance that can fool consumers into thinking the milk is pure[7].

#### 4. Health risks of detergent in milk

- Detergent in milk can cause **gastrointestinal complications**, infections, and other serious health issues like kidney and liver damage if consumed over time[1][3].

- It is a harmful adulterant and illegal to add detergent to milk intended for consumption[3][5].

#### 5. Activity: Detecting detergent in milk

**Materials:** Milk sample, water, test tube or glass, soap or detergent, iodine solution (optional).

**Procedure:**

- Shake the milk sample vigorously. If it produces excessive froth or foam, detergent might be present.

- Add a few drops of iodine solution to check for starch adulteration (optional).

- Note your observations and discuss whether the milk could be adulterated with detergent[1].

#### 6. Questions

1. What is the main reason detergent is added to milk?

2. How does detergent interact with the fat in milk?

3. What are the health risks of consuming milk adulterated with detergent?

4. Describe a simple test to detect detergent in milk.

5. Why is it important to buy milk from trustworthy sources?

This worksheet can be used for science classes to discuss food safety, chemistry of milk, and the dangers of adulteration.

If you want, I can also help prepare an answer key or detailed explanations for the questions.

[1] https://swadesiway.com/3-quick-home-tests-to-detect-water-detergent-and-starch-in-the-milk/

[2] https://corporate.dow.com/content/dam/corp/documents/partnership/160-11014-01-lesson-7-milk-rainbow-experiment.pdf

[3] https://aurigaresearch.com/milk-adulteration-how-to-check-adulteration/

[4] https://learning.sciencemuseumgroup.org.uk/resources/milk-magic/

[5] https://timesofindia.indiatimes.com/life-style/food-news/beware-the-milk-you-are-drinking-might-have-detergent-in-it/photostory/69498896.cms

[6] https://ca01000471.schoolwires.net/cms/lib/CA01000471/Centricity/Domain/5329/Mysterious%20Milk%20Lab.pdf

[7] https://www.gktoday.in/question/the-purpose-of-using-detergents-in-milk-adulterati

[8] https://www.wolfcreek.ab.ca/download/115842

[9] https://teacherscollegesj.org/what-happens-when-you-mix-milk-and-detergent/

[10] https://www.scholastic.com/parents/kids-activities-and-printables/activities-for-kids/math-and-science-ideas/home-science-experiments-color-changing-milk.html

[11] https://www.answers.com/chemistry/What_happens_when_you_add_detergent_to_milk

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A*List! English Learning Videos for Kids

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이퍼블릭에서 설립한 영어교재전문 브랜드 A*List

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Reading 판매중

Bricks Story Reading 70 Level 1

학습대상
G1 ~ G3

교재구성
Student Book + Workbook + E-Book

CEFR
A1

PAGE
104

ISBN
9788964357736

가격
16,000 원 14,400 원 ( 10 % off)

Student Book + Workbook + E-Book

표지 디자인 변경(본문 내용 및 자료는 기존과 동일)

T 선생님 전용 자료입니다.

Answer Key

Word

Worksheet

Test

PPT

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