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#Question id: 9613


Which of the following pairs are the best examples of homologous structures?

#XL - S Microbiology
  1. bat wing and human hand
  2. owl wing and hornet wing
  3. porcupine quill and cactus spine
  4. bat forelimb and bird wing

Answer:- Option(s): 1


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#Question id: 20128

#XL - P Chemistry

On passing CO2 gas in water, its entropy

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#Question id: 20129

#XL - P Chemistry

When does the reaction occur spontaneously on the basis of the relation ΔG° = –RT/nK?

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#Question id: 20130

#XL - P Chemistry

In thermodynamics, a process is called reversible when,

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#Question id: 20131

#XL - P Chemistry

Under certain conditions, the value of ΔG for a hypothetical reaction, X + Y ¾→ Z is greater than zero, then –

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#Question id: 20132

#XL - P Chemistry

For which of the following processes will energy be absorbed –

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#Question id: 20133

#XL - P Chemistry

For the combustion of 1 mole of liquid benzene at 25ºC, the heat of reaction at constant pressure is given by, C6H6(l) + 7 O2 (g) → 6CO2 (g) + 3H2O (l); DH = –780980 cal.
What would be the heat of reaction at constant volume?

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