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Mining Engineering · Q149

Mine Ventilation

Engineering and GATE · Mining Engineering · question 149

Q149

Plates of oldham cap lamp battery is immersed in a solution. What is composition of solution?

A.
HNO3 + HCL
B.
HCL + H2O
C.
H2SO4 + Disttled water
Answer
D.
Lead acid solution

Answer: Option C

Solution

Answer: Option C
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