1
AIEEE 2003
+4
-1
A pressure cooker reduces cooking time for food because
A
boiling point of water involved in cooking is increased
B
the higher pressure inside the cooker crushes the food material
C
cooking involves chemical changes helped by a rise in temperature
D
heat is more evenly distributed in the cooking space
2
AIEEE 2003
+4
-1
In a 0.2 molal aqueous solution of a weak acid HX the degree of ionization is 0.3. Taking kf for water as 1.85, the freezing point of the solution will be nearest to
A
-0.360oC
B
-0.260oC
C
+0.480oC
D
-0.480oC
3
AIEEE 2003
+4
-1
If liquids A and B form an ideal solution
A
the entropy of mixing is zero
B
the free energy of mixing is zero
C
the free energy as well as the entropy of mixing are each zero
D
the enthalpy of mixing is zero
4
AIEEE 2002
+4
-1
In a mixture of A and B, components show negative deviation when :
A
$$\Delta V_{mix}$$ > 0, $$\Delta S_{mix}$$ > 0
B
$$\Delta V_{mix}$$ = 0, $$\Delta S_{mix}$$ > 0
C
A - B interaction is weaker than A - A and B - B interaction
D
A - B interaction is stronger than A - A and B - B interaction
EXAM MAP
Medical
NEET