Which of the following gases makes bread or cake rise making them soft and spongy?
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___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.
In the Modern Periodic Table, a zig-zag line separates
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