Chemistry Questions

In water treatment plant, use of chloramines ensures __________

The   chemical   properties   of   an   element depend upon

Which element is not a part of a nitrogenous base?

The element with the highest electron affinity among halogens is

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

_____ is the most ductile metal.

Which of the following elements has the lowest melting point?

When large quantities of ___ are consumed, it tends to slow metabolic processes and to depress the central nervous system.