Which of the following expressions imposes the condition of quantization of energy of an electron in an atom?

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#Question id: 20120

#XL - P Chemistry

For a reaction to occur spontaneously

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#Question id: 20121

#XL - P Chemistry

If for a given substance melting point is T_B and freezing point is T_A, then correct variation shown by graph between entropy change and temperature is

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#Question id: 20122

#XL - P Chemistry

A Beckmann thermometer is used to measure

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#Question id: 20123

#XL - P Chemistry

The calorific value of fat is ……….

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#Question id: 20124

#XL - P Chemistry

Which of the following processes is accompanied by an increase in entropy ?

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#Question id: 20125

#XL - P Chemistry

Which of the following does not exhibit zero entropy at absolute zero