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#Question id: 19677


For which of the following is the Hinsberg approach used?

#XL - P Chemistry
  1. Preparation of primary amines
  2. Separation of amine mixtures
  3. Preparation of tertiary amines
  4. Preparation of secondary amines

Answer:- Option(s): 2


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#Question id: 1675

#XL - Q Biochemistry

Somatic hypermutation of V genes:

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#Question id: 11482

#XL - T Zoology

The umami receptor in the sense of taste detects ________.

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#Question id: 20251

#XL - P Chemistry

In the reaction CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) ΔH = –265 kcal
The enthalpies of formation of CO2 and SO2 are both negative and are in the ratio 4 : 3. The enthalpy of formation of CS2 is + 26 kcal/mol. Calculate the enthalpy of formation of SO2.

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#Question id: 27263

#XL - U Food Technology

When sugar is heated, its colour changes into

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#Question id: 9617

#XL - S Microbiology

The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed 3-chambered hearts (2 atria, 1 ventricle). Birds and mammals, however, are alike in having 4-chambered hearts (2 atria, 2 ventricles). The 4-chambered hearts of birds and mammals are best described as

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