Which of the following shortcut key save the open

The scientific name of vitamin B12 is :

_____________ has the maximum attraction force between the molecules.

Based on the periodic trends for ionization energy, which element has the highest ionization energy?

What is the physical state of water at 250⁰ C?

Formation of Sodium Chloride is an example of

As an air bubble rises from the bottom of a lake to the surface, it will:

What is the chemical name of Plaster of Paris?

Which gas is the chief component of Bio-gas?

Match the following gases with their typical uses:

List I (Gas)                               List II (Uses)

Litmus paper, used to test pH levels, is derived from which organism?