1) The number of phases in a system is denoted P, in the case of 4 totally miscible liquids .... A) P=4. B) P=2. C) P=1. D) P= zero. 2) In the chemical reaction NH4Cl(s)NH3(g)+HCl(g), there are three constituents and two phases, and the number of components (C) is .... A) Three components (C=3). B) Two components (C=2). C) One component (C=1). D) All A, B and C are right. 3) A mixture of ethanol and water is a.... A) Three components (C=3). B) Two components (C=2). C) One component (C=1). D) All A, B and C are right. 4) The minimum number of independent species necessary to define the composition of all the phases present in the system is known as .... A) Components. B) Phases. C) Constituents. D) None. 5) A solution of sodium chloride in water is........ A) Two phases system. B) One phase system. C) 3 component system. D) All a mb and c are right. 6) A state of matter that is uniform throughout, not only in chemical composition but also in physical state, is known as. A) Component. B) Phase. C) Solid phase. D) Constituent. 7) The phase rule can represented by A) F=CP2 B) F=CP+2 C) F=C+P+2 1 D) F=C+P2 8) Number of intensive variables that can be changed independently without changing the number of phases in equilibrium is known as... A) No of component. B) variance C) Number of Phase. D) None 9) Trichloromethane/propanone and nitric acid/water mixtures show.... A) Eutectic point. B) A_high-boiling azeotrope C) A low-boiling azeotrope D) None. 10) Dioxane/water and ethanol/water mixtures. show.... A) Eutectic point. B) A high-boiling azeotrope C) A low-boiling azeotrope D) None