Tag: chemistry

ozone layer

gas laws and mole concept

air

This quiz covers the discovery of neutrons by James Chadwick in 1932, including neutron properties, the beryllium bombardment experiment, and related historical context. Suitable for class-VIII students learning about atomic structure.

compounds of phosphorus - pcl3

interpreting a balanced chemical reaction

atoms and molecules

acids with carbonates

oxides of non metal

Topics include air pollution sources and effects, deforestation, soil formation, and environmental impacts of human activities