180 g of glucose $(C_6{H}_{12}{O}_6)(C\_6\; H\_\{12\}\; O\_6\; )$ contains ……………. carbon atoms.

The number of molecules present in 8 g of oxygen gas is ………

The number of molecules in 22.4 $c{m}^{3}cm^3$ of ozone gas at STP is …………

11.2 $c{m}^{3}cm^3$ of hydrogen gas at STP, contains …………….. moles.

The mass of 224 mL of hydrogen gas at STP is

4.4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be …………

The number of moles present in 6 gms of carbon is:

What is the concentration of nitrate ions if equal volumes of 0.1 M $AgN{O}_{3}AgNO\_3$ and 0.1 M NaCl are mixed together

The -ve charged particles is called:

The total number of ions present in 111 g of $CaC{l}_{2}CaCl\_2$ is