The elements of group-17 in periodic table F, Cl, Br, I and At, these five elements together are called halogen. The meaning of the word halogen is salt matter. They form halide ion by receiving one electron at their outermost energy level. The main source of halogen is sea salt. They are all non-metals. They … Read more
. Burning these fuels in insufficient air, harmful carbon-mono-oxide gas is also produced with carbon-di-oxide gas which is dangerous for health. On the other hand, if fuel contains particularly sulfur and nitrogen containing compounds, then on burning of fuel various oxides of nitrogen and sulfur harmful to the health and environment is produced. Sulfur-di-oxide combines … Read more
Ans. Diffusion refers to the process of particles moving from an area of high concentration to one of low concentration. But effusion refers to the process of particles moving from an area of high pressure to one of low pressure. So in case of diffusion, pressure is not involved. The particles are not under pressure … Read more
There remains various organic acids like succinic acid, malloic acid etc. in a green mango which makes it sour. As it ripens, these acids transforms into glucose and fructose in chemical reactions and turns the mango sweet.
