Biogas is produced from biomass by
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Acid Rain has pH value of
Name the noble gas which is placed in the third period and eighth group of the Modern Periodic table.
Deficiency of which vitamin causes night blindness?
What is the slope of the line parallel to the line passing through the points (3 , -4) and (-2 , 5)?
If cos(A-B) - cos(A+B) = x, then the value of x is
The Swadeshi Boycott Movement is related to
Gol Gumbaz was built in which century?