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TLS Online TPP Program

#Question id: 933

Industrially, nitrogen for use in fertilizers is converted to ammonia by ________.

#Zoology

  1. a simple, energy efficient reaction of N2 with water

  2. a cryogenic (very low temperature) process between N2 and H2

  3. special catalysts which drive the reduction of N2 by H2

  4. a reaction between nitric acid and hydrogen gas

More Questions
TLS Online TPP Program

#Question id: 3863

#Botany

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 3863

#Zoology

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 3863

#Life Sciences

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 3863

#Environmental Science

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 4565

#Zoology

Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?
TLS Online TPP Program

#Question id: 4566

#Zoology

Which of these naturalists synthesized a concept of natural selection independently of Darwin?