12 g of Mg (at. Mass 24) will react completely with acid to give

12 g of Mg (at. Mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be

12 g of Mg will react completely with an acid to give

27g of Al will react completely with

27 g of Al (at. Mass 27) will react completely with oxygen equal to

12 g of magnesium (atomic mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at N.T.P. would be

1*2 g of Mg (At mass 24) will produce MgO equal to