CNG (Compressed Natural Gas) is a natural gas stored under high pressure. It is lighter than air and ideal for vehicles due ...

A lead-acid battery is a type of rechargeable battery, invented in 1859. It uses lead plates (electrodes) submerged in ...

A useful (although not flawless) reference for chemistry students, this app includes a very nicely annotated periodic table that displays many properties beyond just the atomic weight of each element ...

When Class 12 students will sit down to write the CBSE Chemistry board exam, they are not just recalling equations or ...