The chief ingredient of fertilizers is

Which of the following is related with liquid ammonia?

Which is known as king of chemicals?

Reaction of sulphuric acid with water is  ___________ process.

Ammonia gas turns phenolphthalein solution to

The gas which can be easily liquefied by applying pressure

Non- metallic oxides dissolve in water to form

The product of Haber process is

The principle applied in the manufacture of ammonia is

What colour of a ring you observe in a nitrate test?