Pick out the wrong statement?

Though liquid ammonia itself is a fertilizer (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it________?

COD of raw municipal sewage may be in the range of about ________ mg/litre?

Air-petrol ratio for maximum power generation in spark ignition engine is about________?

Calorific value of dry wood may be around ________ Kcal/kg?

Each term in Bernoulli‟s equation represents the ________ of the fluid?