Multiple choice general knowledge science & technology

_______ is a basic gas which is used in the manufacture of fertilizers such as Urea.

  1. Hydrogen

  2. Nitrogen

  3. Ammonia

  4. Chlorine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ammonia (NH3) is a basic gas widely used in fertilizer production, including urea manufacture. The Haber process combines nitrogen and hydrogen to produce ammonia. Hydrogen is neutral, nitrogen is inert, and chlorine is acidic - none are basic or used in urea production.

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