Which of the following salts is acidic in nature?
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The pH value increase from 7 to 14 represents a
On which river is the city Madurai situated?
Which one of the following derives nutrition from plants as a parasite?
Fertilisation of sperm with the ovum takes place in
If Metal A displaces Metal B from its solution, then Metal A ____.
Which of the following is NOT a noble gas?
During the day which process is the major driving force in the movement of water in the xylem?