BBC

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 […]

How to create an exothermic reaction? – Live Experiments (Ep 40) – Head Squeeze

HeadSqueezer Huw James has a go at creating an exothermic reaction? Links: Endothermic and Exothermic reactions: http://chemistry.about.com/cs/generalchemistry/a/aa051903a.htm Elephant Toothpaste: http://chemistry.about.com/od/chemistrydemonstrations/a/elephanttooth.htm The Bloodhound Project: http://www.bloodhoundssc.com/project Elephants actually brush their teeth? http://www.today.com/pets/happy-brush-your-elephants-teeth-day-945779 What you need: 1 litre plastic bottle Washing detergent Active yeast Hydrogen peroxide solution Food colouring Glass bowl Rubber gloves Instructions: Sit the plastic bottle […]