SPILLAGE DISPOSAL. STORAGE. PACKAGING & LABELLING. Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Do NOT absorb in saw-dust or other combustible absorbents. Do NOT let this chemical enter the environment. read more
Back in college, we had issues with rats loitering the dorms. We succeded in eliminating them, but there was one left and it lived in the roofs. This made the job a bit harder. read more
In a classical laboratory demonstration, heating a mixture of potassium chlorate and manganese dioxide produces oxygen gas. Manganese dioxide also catalyses the decomposition of hydrogen peroxide to oxygen and water: 2 H 2 O 2 → 2 H 2 O + O 2. Manganese dioxide decomposes above about 530 °C to manganese(III) oxide and oxygen. read more