Chemical Substances
Chemical substances are the building blocks of matter. They exist in various forms, including solids, liquids, and gases. Each substance has unique properties and behaviours. They play crucial roles in industries, medicine, and everyday life. Understanding chemical substances is essential for advancements in science and technology. Their interactions can lead to new materials and innovations. Safety and regulation are vital in handling them.
Delhi's air quality has reached alarming levels, with the average Air Quality Index (AQI) hitting 492. This has prompted the Delhi Environment Minister to propose artificial rain, also...
November 20, 2024