131. A reduction process is accompanied with increase in the
132. In physical adsorption, as compared to chemisorption, the
133. Pick out the wrong unit conversion of calorific value.
134. What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C?
135. For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.
136. The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.
137. If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
138. For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.
139. Dry air is a mixture of
140. The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the
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