1020 निम्न रासायनिक समीकरणों को संतुलित कीजिए
(i) HNO,+Ca(OH), + Ca(NO3)2 + H2.
(ii) NaOH+H, SO → Na SO + H2
(iii) Bacl + H SO → BaSO,+ HCL
(iv) Ca(OH),+CO, → CaCO3+ H2.
(v) CaSO4 2H2O → (Ca(SO4)2 H2O+ H2O
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