LAB ACTIVITY: DEMONSTRATION OF PRECIPITATION REACTION Watch these short videos listed below and write an account of your observations, in three or more paragraphs: Demo: Precipitation reaction You tube (4 minutes ): https://www.youtube.com/watch?v=73dw6w0zNXA Precipitation reaction Demo ( 3:35 minutes) https://www.youtube.com/watch?v=6TRuMSjxgYs