When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,

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#Question id: 19849

#XL - P Chemistry

Warming ammonium chloride with sodium hydroxide in a test tube is an example of :

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#Question id: 19850

#XL - P Chemistry

Out of boiling point (I), entropy (II), pH (III) and e.m.f. of a cell (IV), intensive properties are –

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#Question id: 19851

#XL - P Chemistry

A thermodynamic state function is

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#Question id: 19852

#XL - P Chemistry

In thermodynamics, a process is called reversible when

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#Question id: 19853

#XL - P Chemistry

Which one of the following statement is false–

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#Question id: 19854

#XL - P Chemistry

A mixture of two moles of carbon monoxide and one mole of oxygen, in a closed vessel is ignited to convert the carbon monoxide to carbon dioxide. If DH is the enthalpy change and DE is the change in internal energy, then