Question: What do batteries emit while charging?
Options
A : Nitrogen
B : Oxygen
C : Hydrogen
D : Carbon
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On heating lithium carbonate decomposes in order to evolve the....
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What does hydrogen peroxide liberate from potassium iodide?
Sodium and hydrogen combine to form sodium hydride in presence....
The irritant red haze in traffic and congested places is....
In an amino acid, the carboxyl group and amino group....
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