Limiting reagent

2014 AIPMT 2 questions

1. 1 Some Basic Concepts of Chemistry
   When 22.4 litres of $H_2(g)$ is mixed with 11.2 litres of $Cl_2(g)$, each at S.T.P., the moles of HCl(g) formed is equal to:
   A 1 mol of HCl(g) B 2 mol of HCl(g) C 0.5 mol of HCl(g) D 1.5 mol of HCl(g)
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2. 2 Some Basic Concepts of Chemistry
   1.0 g of magnesium is burnt with 0.56 g $O_2$ in a closed vessel. Which reactant is left in excess and how much? (At. wt. Mg = 24; O = 16)
   A Mg, 0.16 g B $O_2$, 0.16 g C Mg, 0.44 g D $O_2$, 0.28 g
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