76. H2SO4 is a dehydrating agent and removes ________.
77. Ethanoic acid is commonly called as acetic acid. 5-8% solution of acetic acid in water is called _________.
78. Vinegaris used widely as a preservative in ________.
79. The strength of acids may be expressed in terms of their ______ values.
80. pKa = _______
81. The reaction between carboxylic acid and an alcohol in the presence of conc. H2SO4 to form a sweet odoured substance is called __________.
82. The esterification reaction is slow and ___________.
83. The sodium salts of these higher fatty acids being soaps the reaction is the soap formation reaction which is generally called as ‘________________’.
84. Alkaline hydrolysis of tristers of higher fatty acids producing soaps is called _______________.
85. A colloidal solution contains the solute known as ‘__________’ with its particles with diameters greater than 1nm but lesser than 1000 nm in the solvent known as ‘___________’.
86. A spherical aggregate of soap molecules in water is called _________.
87. Soaps give a true solution at particular concentration known as ________________.
88. When soap is dissolved in water, it forms a ______________ in which the soap molecules cluster together to form spherical micelles.
89. Soap has _________ end and one ________ end.
90. The non-polar end in soap is _____________ , in nature and it is attracted towards grease or oil on the cloth, but not attracted towards water.
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