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TLS Online TPP Program

#Question id: 19588

Which of the following is not a lanthanide property?

#XL - P Chemistry
  1. They are soft metals with a white silvery colour
  2. They tarnish rapidly by air
  3. The hardness of the metals increases with increase in the atomic number
  4. The melting point of the metal ranges from 500-1000K
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TLS Online TPP Program

#Question id: 19974

#XL - P Chemistry

The transition in He+ ion that would have the same wave number as the first Lyman line in hydrogen spectrum is
TLS Online TPP Program

#Question id: 420

#XL - R Botany

The structure of NAD+ does not include:
TLS Online TPP Program

#Question id: 361

#XL - Q Biochemistry

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.
TLS Online TPP Program

#Question id: 425

#XL - R Botany

Which is usually the slowest way to regulate a reaction in a metabolic pathway?
TLS Online TPP Program

#Question id: 18547

#XL - R Botany

The annual rainfall required for sugarcane crop is