Roots obtain oxygen from air in the soil for respiration.In the absence of deficiency of `O_2`,root growth is restricted or completely stopped.How do the plants growing in marshlands or swamps obtain their `O_2` required fir root respiration?

CH_4+2O_2rarrCO_2+2H_2O the equation describe the combution of me-thane in air: How many moles of oxygen is required for the complete combustion of 16g CH_4 ?

Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: 'C H_4(g)+H_2 O_(g) hArr C O_(g)+3 H_2(g)' a) Write an expression'for 'K_p' for the above reaction. b) How will the values of 'K_p' and composition of equilibrium mixture be affected by i) increasing the pressure ii) increasing the temperature iii) using a catalyst.

Describe how pure Al_2O_3 obtained from bauxite?

The root mean square speed of SO_(2) gas becomes the same as that of oxygen at 27^(@)C when the temperature is(Atomic masses of S and O are 32 and 16 respectively)