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Chapter 1: Chemical Reactions and Equations
34 questions
Chapter 2: Acid,Bases and Salts
39 questions
Chapter 3: Metals and Non-metals
38 questions
Chapter 4: Carbon and its Compound
24 questions
Chapter 5: Periodic Classification of Elements
30 questions
Chapter 6: Life Processes
13 questions
Chapter 7: Control and Coordination
12 questions
Chapter 8: How do Organism Reproduce?
11 questions
Chapter 9: Heredity and Evolution
12 questions
Chapter 10: Light -Reflection and Refraction
34 questions
Chapter 11: The Human Eye and Colourful World
18 questions
Chapter 12: Electricity
49 questions
Chapter 13: Magnetic Effects of Electric Current
39 questions
Chapter 14: Sources of Energy
24 questions
Chapter 15: Our Environment
9 questions
Chapter 16: Sustainable Management of Natural Resources
7 questions
Solving time: 2 mins
A man went door to door posing as a goldsmith. He promised to bring back the glitter of old and dull gold ornaments. An unsuspecting lady gave a set of gold bangles to him which he dipped in a particular solution. The bangles sparkled like new but their weight was reduced drastically. The lady was upset but after a futile argument the man beat a hasty retreat. Can you play the detective to find out the nature of the solution he had used?
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| Question Text | A man went door to door posing as a goldsmith. He promised to bring back the glitter of old and dull gold ornaments. An unsuspecting lady gave a set of gold bangles to him which he dipped in a particular solution. The bangles sparkled like new but their weight was reduced drastically. The lady was upset but after a futile argument the man beat a hasty retreat. Can you play the detective to find out the nature of the solution he had used? |
| Updated On | Apr 28, 2023 |
| Topic | Metals and Non-metals |
| Subject | Science |
| Class | Class 10 |
| Answer Type | Text solution:1 Video solution: 6 |
| Upvotes | 578 |
| Avg. Video Duration | 7 min |
