:O huh Champoo?

2:48 Wooden Splint Test

0:40 Copper and Silver Nitrate 1:28 Sodium Hydroxide and Hydrochloric Acid 1:54 Hydrochloric Acid and Zinc metal 2:55 Copper (II) Sulfate and Sodium Carbonate 3:20 Vinegar and Distilled Water 3:46 Vegetable Oil and Distilled Water 4:12 Sodium Chloride and Distilled Water

It's hard to tell which ones are precipitates

Thank you :)

was temp and atmospheric pressure given??

shampoo*