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6. Balance the following chemical equations.
(a) HNO, + Ca(OH), Ca(NO3), +H2O
(b) NaOH + H2SO4 Na,SO + H2O
(c) NaCl + AgNO3 → AgCl + NaNO,
(d) BaCl,+H, SO→ BaSO4 + HCI
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Answer:
(a) 2HNO3+Ca(OH)2= Ca(NO3)2+2H2O
(b) 2NaOH+H2SO4=Na2SO4+2H2O.
(c) its already balanced I.e.
Nacl+AgNO3=Agcl+NaNO3
is a balanced chemical reaction.
(d) BaCl2 + H2SO4 → BaSO4 + 2HCl
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