10M views · 31K reactions | From 溺 extraction to creating a homemade oxygen generator. Ever tried these experiments? For step-by-step instructions go here: https://mel.sc/saf/ One of these experiments is included in the MEL Chemistry subscription To perform this and many other cool and safe experiments at home, sign up here: https://mel.sc/sag/ | MEL Science | Facebook

মাধ্যমিক রেজাল্ট। বোর্ডের খাতা কিভাবে দেখা হচ্ছে সরাসরি দেখে নাও।