Question

1. H2+Br2--->HBr
2. H2CO3--->H2O+CO2
3. Ca+H2O--->Ca(OH)2+H2
4. NaBr+Cl2--->NaCl+Br2
5. Pb(No3)2+Na2SO4--->PbSO4+NaNo3.
Balance the above given 5 equations with it's physical state mentioned before it.
for example:- 2Na(s)+2H2O(l)--->2NaOH(l)+H2(g).
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Answer 1

1. 2HBr
2. balance
3. Ca+2H2O->Ca(OH)2+H2
4. 2NaBr+Cl2->2NaCl+Br2
5. wo nhi aata sry

Answer 2

1. H2+ Br2 ----> 2HBr

2. H2CO3 ------> H2O + CO2

No.2 is balanced already.....

3. Ca + 2H2O -----> Ca (OH)2 + H2

4. 2NaBr + Cl2 -----> 2NaCl + Br2

5. Pb (NO3)2 + Na2SO4 -----> PbSO4 + 2NaNO3

Hope it helped you!!