
PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoScientific Investigation of Stain Removal Using Different Cleaning Agents
Aim:
To investigate the changes occurring in turmeric stains when exposed to different cleaning solutions.
To investigate the changes occurring in turmeric stains when exposed to different cleaning solutions.
Materials Required:
- White cotton cloth pieces (same size)
- Turmeric powder
- Water
- Soap solution
- Lemon juice
- Hydrogen peroxide
- Stopwatch or clock
Procedure:
Answer variants:
Start the stopwatch immediately.
Take three identical pieces of white cloth.
Label them as A (Soap), B (Lemon Juice), C (Hydrogen Peroxide).
Observe and record the time taken for the stain to fade or disappear.
Apply the same amount of turmeric stain on each cloth.
Apply each cleaning agent to the respective cloth at the same time.
Observation Table:
| Cloth Sample | Cleaning Agent | Observation |
| A | Soap Solution | |
| B | Lemon Juice | |
| C | Hydrogen Peroxide |