Complete the following sentences by choosing the correct answer from the bracket:

(i) The element below sodium in the Periodic Table is …………… , reactive than sodium. (more/less)

(ii) …………… is a gas having a triple bond (Nitrogen/Ammonia)

(iii) The average kinetic energy of the molecules of the gas is proportional to the …………… (absolute temperature/pressure)

(iv) If temperature is reduced to half, …………… would also reduce to half provided pressure remains constant. (volume/pressure)

(v) Ozone depletion is mainly caused by the active …………… atoms generated from CFC in the presence of UV radiation. (chlorine/fluorine)

(i) The element below sodium in the Periodic Table is more, reactive than sodium.

(ii) Nitrogen is a gas having a triple bond.

(iii) The average kinetic energy of the molecules of the gas is proportional to the absolute temperature.

(iv) If temperature is reduced to half, volume would also reduce to half provided pressure remains constant.

(v) Ozone depletion is mainly caused by the active chlorine atoms generated from CFC in the presence of UV radiation.