Calculate the volume occupied by 5.0 g of acetylene gas at 50^oC and 740 mm pressure.

The volume strength of 1.5 N H₂O₂ solution is

Write down the balanced equation for the reaction when:
Carbon dioxide is passed through a suspension of lime stone in water.

The hybridization of carbon atoms in C-C single bond of HC $$ \equiv $$ C - CH = CH₂ is