Продолжительность: 2:03
Опубликовано: 8 июл. 2021 г.

16 апр. 2024 г. · Take a tablespoon of turmeric powder, add water to make a paste . Make turmeric paper by depositing turmeric paste on filter paper and drying it ...

14 июл. 2020 г. · In this post, we will explore the use of natural pH indicators in this acid and base experiment. It is a fun STEM activity to help children learning about pH ...

Продолжительность: 3:31
Опубликовано: 21 апр. 2024 г.

Observation: We can observe that if we put the soap solution on the turmeric paper, it turns reddish-brown in color. Result: This is because of soap containing ...

White paper dipped in a solution of ammonia with dissolved turmeric will be dyed red, which turns to yellow as the paper dries; dipped in a solution of turmeric ...

Vinegar is acidic, so the turmeric-dyed toilet paper turns from dark pink or red back to yellow.

Продолжительность: 6:30
Опубликовано: 23 июл. 2021 г.

Turmeric Reaction The original solution with alcohol, baking powder, and tumeric was deep red because baking soda caused the solution to be basic. After adding ...

First extract the colour from turmeric powder by adding it to some water or better some strong alcohol which is also clear (eg surgical spirits).