Table of Contents
- 1 Why does the stain of curry on a white cloth becomes reddish brown when soap is rubbed on it?
- 2 Why the turmeric stain on a cloth becomes reddish while washing with soap?
- 3 What is colour change when a stain of curry on a white cloth comes in contact with soap and why?
- 4 What is the nature of soap acidic and basic as shown by the indicator present in curry stains?
- 5 Why does a curry stain on washing turns red?
- 6 Why does turmeric stain turn red?
- 7 Are curry stains permanent?
- 8 Why does stain of curry becomes reddish brown?
- 9 Why does the stain of Curry on a white cloth turn reddish brown?
- 10 What happens when a white cloth is washed with soap?
Why does the stain of curry on a white cloth becomes reddish brown when soap is rubbed on it?
Complete answer: So, when soap is scrubbed over a stain, the turmeric present in the curry reacts with the sodium hydroxide present in the soap and this reaction develops a reddish brown color.
Why the turmeric stain on a cloth becomes reddish while washing with soap?
➡Turmeric is an indicator and soap is a base so, when we wash the turmeric stain with soap the clothes becomes reddish brown in colour because when turmeric is mixed with base it tutne the colour of the base in reddish brown.
What is colour change when a stain of curry on a white cloth comes in contact with soap and why?
Turmeric is a natural indicator which remains yellow in acidic solutions and changes to red in basic solutions. Curry stains contain turmeric. Soap solution on the other hand is basic in nature. Hence, when soap solution will comes in contact with curry stains, they turn red.
Which natural indicator is used to remove a stain of curry on a white cloth?
(a) Turmeric.
How do you get red turmeric stains out?
Remove Turmeric Stains From Dishes Remove the turmeric stain with a solution of two-parts hot water and one-part bleach or vinegar. Let the dishes soak in the solution overnight. The stain should be gone by morning. This tip works for plastic, glass and ceramic dishes, blenders and food processor bowls.
What is the nature of soap acidic and basic as shown by the indicator present in curry stains?
Soap is basic in nature because it turns the yellow turmeric stain reddish brown.
Why does a curry stain on washing turns red?
Curry contains turmeric powder and soap is basic in nature. Bases turn turmeric red. Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red.
Why does turmeric stain turn red?
Turmeric stains are red because of the presence of tartaric acid in it. As tartaric acid is an acid and when it washed with soap which contains sodium hydroxide which is a base.
Why does the stain of curry?
The stain of curry on a white cloth turns reddish brown when soap is rubbed on it because curry contains turmeric which is a indicator and soap is basic in nature. So, soap is reacting on curry (turmeric) which turns reddish brown in colour.
Why does curry stain yellow?
Hint: Turmeric is used in making curry and it is yellow in colour. When turmeric is put into an acidic solution, its colour does not change.
Are curry stains permanent?
The complex combination of spices in curry is what gives the dish its wonderful, exotic flavor. Unfortunately, it is those same spices that can permanently stain if the curry spill is not removed quickly. They are even used to dye fabrics. Learn how to save your clothing, carpet, and upholstery after curry spills.
Why does stain of curry becomes reddish brown?
Why does the stain of Curry on a white cloth turn reddish brown?
The stain of curry on a white cloth turns reddish brown when soap is rubbed on it because curry contains turmeric which is a indicator and soap is basic in nature. So, soap is reacting on curry (turmeric) which turns reddish brown in colour.
What happens when you put soap on Curry?
So, soap is reacting on curry (turmeric) which turns reddish brown in colour. When the white cloth is washed in water then it turns yellow because water is neutral and the curry contains turmeric which is a indicator. The water turns turmeric back to yellow.
Why does turmeric stain turn red when soap is used?
Turmeric is a natural indicator which changes its yellow colour into reddish brown when it comes in contact with a solution of base. Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red. Why does a vegetable stains turn reddish brown when washed with soap solution?
What happens when a white cloth is washed with soap?
So, soap is reacting on curry (turmeric) which turns reddish brown in colour. When the white cloth is washed in water then it turns yellow because water is neutral and the curry contains turmeric which is a indicator. The water turns turmeric back to yellow. Hope it helps… Please mark me as the BRAINLIEAST…