Other branches of science are related to chemistry. Chemistry is used in medical science to understand the life, etiology of disease and cure them, etc. Physics works with matters, which are made up with atoms, molecules, etc. Therefore, physics needs chemistry. Semi-conductor, chips, LCD crystals of computer science are chemistry. Hence it is called the … Read more
The process of spreading solid, liquid, or gaseous substances spontaneously and uniformly in a medium is called diffusion. Diffusion is the net passive movement of molecules or particles from regions of higher to regions of lower concentration. For diffusion to occur there must be a concentration gradient. To define diffusion in the biological context, imagine … Read more
The passage of gases from a region of high pressure to a region of low pressure through fine pores is called an effusion.
When a solid substance is heated, it is converted to liquid, and due to further application of heat, it is converted to the gaseous substance. For example, when ice is heated, it melts at 0°C temperature and converts to water. And when the temperature of 0°C water is increased, it boils at 100°C temperature and converts … Read more
The process of heating a liquid into vapour and then retrieving the liquid from the vapour by cooling it is called distillation.
Camphor is a sublimated substance.
Acidity occurs in the stomach when excess hydrochloric acid is generated inside. Antacid contains aluminium hydrochloride and magnesium hydroxide. These two compounds neutralize hydrochloric acid.
There remains various organic acids like succinic acid malic acid etc. in a green mango which makes it sour. As it ripens, this acids transforms into glucose and fructose in chemical reactions and turns the mango sweet.