The smell that we get when LPG cylinder leaks is due to the presence of
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In the Modern Periodic Table, a zig-zag line separates
___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.
What does the symbol R in electricity stand for ?
Mirages are formed primarily due to ___ of light.
Allergy Screening Blood Test for human beings does not include ___.
Which of the following metals does NOT react with Oxygen even at a high temperature?
The number of electrons that can be accommodated in the M shell is