Question

1. Balance the following equations and write word equation for each. 1. Al + Fe2 O3 -------- Al2O3 2. AgNo3 + Cu -------- Cu(No3)2 +Ag 3. H2 +N2-------- NH3 4. NaoH + Co2----------- Na2Co3 +H2) 5. Ca +HCl ----- CaCl2 + H2 6. Na +H2O ------- NaOH = H2 7. NaOH +H2So4 ------ Na2So4 +H2O

Answer 1

1. 2Al+Fe2O3------>Al2O3+Fe2
Aluminium +ferric oxide --->aluminium oxide +iron
2.2AgNo3 + Cu -------- Cu(No3)2 +2Ag
silver nitrate +copper ----->copper nitrate +silver
3.3H2 +N2-------- 2NH3
hydrogen +nitrogen ---->ammonia
5.Ca +2HCl ----- CaCl2 + H2
calcium +hydrochloric acid------>calcium chloride +hydrogen
6.2Na +2H2O ------- 2NaOH+H2
sodium +water----->sodium hydroxide +hydrogen
7.2NaOH +H2So4 ------ Na2So4 +2H2O
sodium hydroxide +sulphuric acid---->sodium sulphate+water