<iframe src="https://podeduc.apps.education.fr/video/67787-exercice-ion-nitritemp4/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> Exercice ion nitrite.mp4 PodEduc https://podeduc.apps.education.fr/videos/?owner=YrgrFAUbOZZi9dyJYr-wxJraWPM 360 https://podeduc.apps.education.fr video 640 1.0 Emmanuel Durocher