Identifying Acids
Introduction
Everyday we come across several items at our home. Have you ever tasted a lemon? Eaten an orange? Added vinegar to your noodles? Do you know what these are? They’re all chemical substances. But how can edibles be chemical substances? The reason we call them as chemical substances is because they are constituted of atoms and exhibit certain characteristics like oxidation, reduction, and electron transfers etc. Chemicals around us are classified into acids bases and salts. How do we know that?
About This Project
Full Article
Video
Material List
- Litmus paper
- Different kinds of things you find in your home
- baking soda
- packing powder,
- toothpaste
- mouthwash
- face wash
- lemon
- oranges
- vinegar
- tomatoes
- dishwash soap
- table salt and whatever else that intrigues your mind.
Instructions
Take the different items you chose into separate bowls and containers.
- Add the solid substances to some water and make a slurry/paste ex: salt+water, baking soda+water
- Add the liquids to water and make a slurry.
- Squeeze out the juices from the fruits / vegetables you’ve chosen. ( don’t drink it before you are done with the experiment! Haha)
- Now take approximately a tablespoon quantity of all your items into separate containers.
- Take a Litmus paper and dab one side of it into each of your substances.
- Let it rest and dry, now all you gotta do is observe the papers.
- You can also label them on the other end with the name of the substance in which you dipped the litmus.
Observation
some of the litmus papers change their colours. Now you gotta note down these in your observation journal.
