Methane contributes towards global warming so it is called a _________________ gas.
Which one of the following triad represents Dobereiner's Triad?
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Ammonium nitrate, on thermal decomposition, produces :
Which one of the following elements has the lowest atomic mass?
The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___.
(atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16)
By volume, 78% of air is _______________
What is the general formula of alkenes?
What is the valency of magnesium?
If Metal A displaces Metal B from its solution, then Metal A ____.
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