Grade8 – G8 Zing
Homework assigned by: firstname.lastname@example.org
Submission Date: Wed Feb 13 2019 00:00:00 GMT+0530 (IST)
Internet Required: Yes
Details: Dear Learners,
Write down the balanced chemical equations of the reaction we performed in today’s lab in your Science Notebook.
The Reactions are as follow:
1. Add 20 cc water to 4 pellets of sodium hydroxide, use a glass rod to dissolve.
2.Add 10 cc of water to 1 spatula of Ammonium Chloride
2.Take 15 cc of H2O2 in 100 cc glass measuring cylinder. Add 1 spatula liquid soap and pinch of food color in the measuring cylinder. Now, add 3/4th spatula potassium iodide and observe. (Elephant toothpaste Experiment)
4. Add ½ spatula Sodium Hydrogen-carbonate to 20 cc saturated Citric Acid Solution.
Central Presentation Link: Click here to view
Expected Time: 20 minutes