List of top Chemistry Questions on Laws of Chemical Combinations asked in AP EAPCET

At STP, 1.54 g of MnO\(_2\) reacted with excess HCl. What is the volume of Cl\(_2\) produced at STP? (At. wt: Mn = 55 u, O = 16 u)

How many litres of O\(_2\) at 273 K and 1 atm pressure can give 20 L of CO in the following reaction?
\[ C + O_2 \rightarrow CO_2 \rightarrow CO \]