India Languages, asked by Vishwajeet5094, 6 months ago

Scum formation chapter 4

Answers

Answered by Edhaliniyazh

Answer:

When a soap is used in hard water, a solid substance we call scum forms. This is because charged calcium and magnesium particles (called ions ) present in the water react with soap to form an insoluble substance. Scum builds up on clothes, baths and sinks.

Previous Question

Next Question

Similar questions

Hindi, 3 months ago

हरित क्रांति की दो सफलताएं लिखिए...

English, 3 months ago

though helen keller could not hear or see what kind of a girl wass she ...

Social Sciences, 3 months ago

What is the difference between Naalangadi and Allangadi.

Biology, 6 months ago

The figure given below represents the experiment carried out between conc. sulphuric acid and sodium chloride, which react with each other to form HCl gas.Blue litmus paper is brought near the mouth of the delivery tube to check the presence of HCl acid but no change is observed in the color of litmus paper because: * 1 point a. The litmus paper used is dry b. The litmus paper used is moist c.

English, 6 months ago

Write an informal letter letter to your aunt requesting her to send your cousin to spend diwali with you...

Math, 10 months ago

7) Using Venn diagrams represent i) (AUB)' ii) A' U B'...

Political Science, 10 months ago

what is mean by code of conduct? How does it controls the activities of parties and candidates ...

Math, 10 months ago

- 9. What should be added to x2 - y2 + 2xy to obtain x2 + y2 + 5xy? 10. What should be subtracted from - 7mn + 2m2 + 3n2 to get m2 + 2mn + n2? 11. How much is ys - 12y2 + y + 14 greater than 17y3 + 34y2 - 51y + 68? 12. How much does 93 p2 - 55p + 4 exceed 13p3 - 5p2 + 17p - 90? 13. What should be taken away from 3x2 – 4y2 + 5xy + 20 to obtain - x2 - y2 + xy + 20? 14. From the sum of 2y2 + 3yz, -...