Which of the following induces souring of milk?
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How many atoms are present in a (NH4)2SO4 molecule?
Which of the following acts as best adsorbent?
The main mineral constituents of the continental mass are ________ and alumina.
Which of the following gas was released during Bhopal gas tragedy?
________ is used for making vinegar.
The most serious air pollutant causing health hazard is
Which of the following elements has the electronic configuration 2, 8, 3?