Small amounts of dilute ethanol can cause drunkenness, a socially widespread practice. However, even a small quantity of pure ethanol (absolute alcohol) can be lethal, and long-term alcohol consumption is linked to various health issues.

Ethanol’s solvent properties make it a common ingredient in medicines such as tincture iodine, cough syrups, and tonics, as it is soluble in water in all proportions.

Ethanol is commonly known as alcohol and is the active ingredient in alcoholic drinks, making it a liquid at room temperature.

Coal and petroleum contain nitrogen and sulphur, and their combustion produces oxides of sulphur and nitrogen, contributing significantly to environmental pollution.

Gas/kerosene stoves are designed with air inlets to ensure an oxygen-rich mixture, resulting in a clean blue flame. If cooking vessels’ bottoms turn black, it signals blocked air holes, leading to inefficient combustion and wasted fuel.