Test acids with home-made pH indicator – Live Experiments (Ep 35) – Head Squeeze



WARNING: This experiment uses corrosive materials. Use protective gloves.

Jon Chase creates his own acidity indicator and then tests a series of household products.

What are Acids:
http://www.chemguide.co.uk/basicorg/acidbase/acids.html

Acid Indicators:
http://chemistry.about.com/od/acidsbases/a/Acid-Base-Indicators.htm

Red Cabbage indicator:
http://chemistry.about.com/od/acidsbase1/a/red-cabbage-ph-indicator.htm

Household acids and bases:
http://web2.newtown-h.schools.nsw.edu.au/Science/year_10/Acid%20Chemistry/Household%20acids.htm

You need:
Red Cabbage
Water
Knife/ Blender
Ice Cube trays
Household ingredients
Sieve
Jug
Six clear glasses
Rubber gloves

Instructions:
Chop up cabbage
Put cabbage in blender with some water
Strain solution into a bowl using the jug
Pour your household ingredients in to the glasses
Leave one glass empty
Add the cabbage solution

Live Experiments: Our resident science demo thrill-seekers will give the YouTube audience their big science treat each week with an experiment where you can find out how to make food dance, power a light bulb with household objects and create mega smoke rings!

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