Number of moles of Oxygen needed to produce 4 moles of water on reacting with 4 moles of Hydrogen gas is …………….
Number of moles of Oxygen needed to produce 4 moles of water on reacting with 4 moles of Hydrogen gas is …………….
A) 1 mole
B) 2 moles
C) 3 moles
D) 4 moles
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