so hi guys I'm gonna convert this crew as calcium hydroxide with some calcium carbonate to calcium oxide I'm gonna make it with fernase because calcium carbonate is very high temperature and I can't reach it with just heating plate. In fernase there's very high temperature so we need good container which won't burn in fernase. I'm using that car oil filter and I just got here that metal cap and it looks like that. I know it's so nasty. I'm gonna now cut this filter too and then we can start. I'm proud of myself. Okay so now I can measure out. I got some hydroxide. That's exactly where I meant. Just 10 grams difference. I don't know maybe there was too low temperature. Well it might be another fail on my child or calcium source that I'm using is actually oxide because it would be 100% hydroxide. I should make something around 120 grams of it but there's only 10 grams difference between the start mass and the actual mass so maybe I'll check it on a smaller scale. Okay so I've tested calcium hydroxide and that was calcium oxide. This what I made in a fernase is actually what I wanted. I wanted to make some calcium oxide and I have it. I waived a test tube before and after heating so as we can see there's very small difference. This difference even can come from water that was stuck in the test tube and after heating it went as a vapor. So instead of making calcium oxide out of calcium hydroxide and carbonate I'll name it cleaning my calcium oxide in a fernase and that's it. You can see that it's fail. I want it to calcium oxide and there is calcium oxide. Okay. Okay that's my cleaned calcium oxide. Thanks for watching. Remember to subscribe to my channel and watch other videos and the bio.