Biochemistry Weak Interactions Aqueous Systems Online Exam Quiz
Biochemistry Weak Interactions Aqueous Systems GK Quiz. Question and Answers related to Biochemistry Weak Interactions Aqueous Systems. MCQ (Multiple Choice Questions with answers about Biochemistry Weak Interactions Aqueous Systems
Which of the following is an isotonic solution?
Options
A : 0.9% sodium chloride
B : 0.45% sodium chloride
C : Oceans
D : 10% dextrose in water
Which of the following is a hypotonic solution?
Options
A : 10% dextrose in water
B : 0.45% sodium chloride
C : 5% dextrose in 0.9% sodium chloride
D : Oceans
What is the heat of vaporization of water?
Options
A : 2260 J/g
B : 2260 kJ/g
C : 1260 J/g
D : 1260 kJ/g
The bond dissociation energy of O-H bond in a water molecule is _____________
Options
A : 23 kJ/mole
B : 470 kJ/mole
C : 470 J/mole
D : 23 J/mole
The bond dissociation energy of hydrogen bonds in a water molecule is ______________
Options
A : 470 kJ/mole
B : 470 J/mole
C : 23 kJ/mole
D : 23 J/mole
What is the factor that is responsible for salts like NaCl to dissolve in water easily?
Options
A : Decrease in entropy
B : Increase in entropy
C : Increase in enthalpy
D : Decrease in enthalpy
What makes water a liquid at room temperature?
Options
A : Hydrogen bonds between water molecules
B : Covalent bonding
C : Noncovalent interactions
D : Van der Waals forces of attraction
?G is negative for which of the following processes?
Options
A : Melting of ice and evaporation of water
B : Oxidation of nitrogen
C : Oxidation of gold
D : Burning of chlorine
?H is positive for which of the following processes?
Options
A : Oxidation of nitrogen
B : Melting of ice and evaporation of water
C : Oxidation of gold
D : Burning of chlorine
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