help with question 4, 5 and 6 please

Reaction 3 : Observations Caution Perform this reaction away from any open name 1. Using a pipette, place about imot ally looked in a pyrex wweetpipe-1m 2. Light be safety dichter being the flame fines the file conto della cohol in the watetea until it begin to turn Allow to bunu unutil completely commune. Dok se hot watch yaw. Record your brain Reaction 3 CHIOH. 30,- 200, 30 After putting the liquid, we burn it, it stayed for few secs, and went down without smoke and Adid After Patting the liquid, it staged for a while. Then started dissapearing Evidence that a chemical reaction occurred Type of Reaction exothermic Question 4. Ethyl alcohol is a hydrocarbon, C,H,OH. How does this information help with determining the type of reaction that took place in reaction 3? Reaction 4: 1. Add S drops of calcium chloride solution to the well plate. 2. Add 5 drops of sodium carbonate solution to calcium chloride in the well plate. Record your observations 3. Rinse out well plate Reaction 4 Observations NaCO3 +CaCl2 After putting the liquids together, it turned white, and chunk water Evidence that a chemical reaction occurred It made the powder of a Chalk. Type of Reaction Double replacement Question 5: Which product in the reaction is the precipitate? Question 6: Write a net ionic equation for Reaction #14