Consider the following statements regarding a motor car battery.
1. The voltage is usually 12 V.
2. Electrolyte used is hydrochloric acid.
3. Electrodes are lead and copper.
4. Capacity is expressed in ampere hour.
Which of the above statement are correct?
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1 and 4
Answer: Option D
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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