MCQ- 31
If a strip of Cu metal is placed in a solution of FeSO4
A. Cu will be precipitated out
B. Fe will be precipitated out
C. Cu and Fe both dissolve
D. No reaction take place
Answer: D
MCQ- 32
The reaction proceeds through the evolution of heat
A. Atomization
B. Electrolysis
C. Hybridization
D. Ionization
Answer: C
MCQ- 33
According to the first law of thermodynamics energy from the system to the surrounding can be transferred in the form of _________
A. Heat and work
B. Heat
C. Kinetic Energy and Pressure
D. Displacement and Heat
Answer: A
MCQ- 34
The total heat content of the system is
A. Internal energy
B. Enthalpy
C. K.E of the system
D. Free energy
Answer: B
MCQ- 35
Boiling of water is ______ change
A. Endothermic
B. Non-energetic
C. Exothermic
D. Spontaneous
Answer: A
