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#Question id: 8901


The origin of the craniates occurred at roughly the same time as the

#XL - T Zoology
  1. origin of the Ediacaran fauna.
  2. Cambrian explosion.
  3. Permian extinctions.
  4. first invertebrates invaded land.

Answer:- Option(s): 2


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#Question id: 19664

#XL - P Chemistry

To get carboxylic acids directly from alcohol, which of the following oxidising agents is used?

TLS Online TPP Program

#Question id: 19665

#XL - P Chemistry

When phenol reacts with bromine water, what is the result?

TLS Online TPP Program

#Question id: 19666

#XL - P Chemistry

The Lucas test was carried out on three different compounds: A, B, and C. Compounds A and B were turbid at ambient temperature, while compound C did not become turbid until it was heated. Which one of the compounds is tertiary in structure?

TLS Online TPP Program

#Question id: 19667

#XL - P Chemistry

Which of the following compounds is formed when secondary alcohols are oxidised by [O]?

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#Question id: 19668

#XL - P Chemistry

Which of the following processes does not result in the production of alcohol?

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#Question id: 19669

#XL - P Chemistry

The conversion of trialkyl borane to an alcohol does not require which of the following?

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