Name the gas used in preparation of bleaching powder
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Which of the following is not a component of Smog?
Which of the following statement is CORRECT?
Which one of the following nonmetals shows allotropy in the liquid state?
The vocal cords in men are about _______ long.
The somatosensory receptors in human beings detect ______.
Atomic number of which of the following elements is greater than that of Aluminium?
Winds blowing constantly in one direction in rocky deserts form