The source of electrical energy on the Apollo Moon flights was
A. a generator set
B. H2 - O2 fuel cell
C. Ni-Cd cell
D. lead storage batteries
Answer: Option B
This Question Belongs to Chemistry GK Chapter Wise >> Thermochemistry
Related Questions on Thermochemistry
A. physical change
B. reduction reaction
C. endothermic reaction
D. exothermic reaction
Which law of the thermochemistry introduces the concept of entropy?
A. Second Law
B. Zeroth Law
C. Third Law
D. First Law
Which of the following is a closed system?
A. Jet engine
B. Tea placed in steel kettle
C. Pressure cooker
D. Rocket engine during propulsion
The entropy of perfectly crystalline solid at absolute zero is
A. positive
B. negative
C. Zero
D. not definite
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