UBSE - 7 - Science :: Acids, Bases and Salts
Go To: UBSE-Science-Grade 7
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Rini Jose]
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0759-Vigyan/Chapter%205/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0758-Science/Chapter%205/index.html (NCERT English Medium)
[Author - Shachi Patel, Kripa S]
https://www.youtube.com/watch?v=wt3OhFeSNi4 (Hindi - Acids, Bases and Salt)
https://www.youtube.com/watch?v=UjO4pjtMneg (Hindi - Properties of acids/bases/salts)
[Author - Anu Nived]
http://www.scienceclarified.com/photos/acids-and-bases-real-life-applications-3031.jpg (lime - citric acid)
http://bucataritza.ro/wp-content/uploads/2015/10/turmeric-masca-faciala-1024x849.jpg (natural indicator)
http://worldoffloweringplants.com/wp-content/uploads/2013/12/Hibiscus-rosa-sinensis3.jpg (china rose -natural indicator)
[Author - Arshea Bimal]
1. Ask students to name some common objects that contain acids, bases and salts.
2. Take a tablespoonful of turmeric powder. Add a little water and make a paste. Make turmeric paper by depositing turmeric paste on blotting paper/filter paper and drying it. Cut thin strips of the yellow paper obtained. Put a drop of soap solution on the strip of turmeric paper. What do you observe?
3.Name some common objects containing neutral components.
Enable comment auto-refresher