What makes something acid? An acid is a substance that donates hydrogen ions. Because of this, when an acid is dissolved in water
Properties of acids? Aqueous solutions of acids are electrolytes, meaning that they conduct electrical current
What is an acid? A substance with particular chemical properties including turning litmus red, neutralizing alkali, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.
what are 3 examples of acids?
- Hydrochloric Acid.
- Sulfuric Acid.
- Nitric Acid.
what is the most famous indicator? Moving Averages.
what does pH stand for? Power of hydrogen
How many numbers are there on pH scale? 1-14
Aim: To make red cabbage pH indicator for use on different household chemicals
Materials
Red Cabbage
Beaker
Bunsen Burner
Pipette
Sodium Hydroxide
Hydrochloride acid
Test Tubes
Paper towel
Test tube rack
Water
floor cleaner
dish washing liquid
vinegar
Steps
Chop up the red cabbage into small pieces. Place in a beaker and cover with a small amount of water.
Bring the solution to the boil using a Bunsen burner and then turn off the heat. Let it sit to cool down.
Pour the cabbage water through a paper towel into a beaker. The dark purple liquid in the jar is the pH indicator liquid.
Suck up the indicator into a pipette.
Use the cabbage indicator to test the acidity of the different household liquids by slowly putting a drop at a time into the test tube.
No comments:
Post a Comment
To support my learning I ask you to comment as follows:
1. Something positive - something you like about what I have shared.
2. Thoughtful - A sentence to let us know you actually read/watched or listened to what I had to say
3. Something helpful- how have you connected with my learning? Give me some ideas for next time or ask me a question.