Question

A. Write word equations for the following reactions and balance. [5]
1. Dilute sulphuric acid +sodium carbonate →sodium sulphate +carbon
dioxide +water
2. Phosphorus +oxygen→ phosphorus pentoxide
3. Silver nitrate +potassium chloride→ potassium nitrate +silver chloride
4. copper(II) oxide +ammonia →copper +nitrogen +water
5. Iron +sulphuric acid →Iron(II) sulphate +Hydrogen
B. Balance the following equations :- [5]
1. CuSO4 +NH4OH →CU(OH)2 +(NH4
) 2SO4
2. NH3 +O2→ NO +H2O
3. H2S +HNO3 →S +NO2 +H2O
4. C +H2SO4 →CO2 +SO2 +H2O
5. NH3 +Cl2 →NCl3 +HCl

Answer 1

Answer:

A...

1. H2SO4 + Na2CO3 ------ Na2SO4 + CO2 +H2O

2. P + O2 ------- P4O10

2. AgNO3 + KCl ------ k2NO3 + AgCl3

3. CuO + H2SO4 ------ Cu +N2 +H2O

4. Fe + H2SO4 -------- FeSO4 + H2