MCQ
Kirchhoff's first law is based on
- AConservation of momentum
- BConservation of mass
- ✓Conservation of charge
- DConservation of energy
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$HC \equiv CH\mathop {\xrightarrow{{30\%\, {H_2}S{O_4}}}}\limits_{HgS{O_4}} A\xrightarrow{{NaOH}}B$
