Demerits of Mendeleev Periodic Table He was unable to locate hydrogen in the periodic table. Increase in atomic mass was not regular while moving from one element to another. ......

Method to find Valency If the number of electrons in the outer shell is between one to four, the compound is said to have positive valency. For compounds with electrons four, five...

Vegan cheese can be made from various plant proteins and fats. As with plant milk, vegan cheese can be made from seeds, such as sesame and sunflower; nuts, such as cashew, pine nut...

Super-sensitive hearing helps this pale night-time predator track down mice and voles in the dark. Name this bird.

Who is known as father of English Grammar?

This hungry hunter is a white blood cell, which seeks out germs and infected cells and gobbles them up to prevent infections. Name the cell.

Vinegar is produced when acetic acid bacteria act on alcoholic beverages such as wine. They are used to perform specific oxidation reactions through processes called “oxidative fer...

An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution. The term is...

Dr Radhakrishnan was nominated 16 times for the Nobel Prize in Literature, and another 11 times for the Nobel Peace Prize.