Correct and balance the following equations:(i) Ca + H20 CaOH + H(ii) N + H NH3

(i) Ca + 2H20 Ca(OH)2 + H22 moles of Dihydrogen oxide(water) balances the reaction.(ii) N2 + 3H2 2NH33 moles of hydrogen and 2 moles ammonia.

Q13 of 152 Page 18

Correct and balance the following equations:
(i) Ca + H₂0 CaOH + H

(ii) N + H NH₃

(i) Ca + 2H₂0

Ca(OH)₂ + H₂

2 moles of Dihydrogen oxide(water) balances the reaction.

(ii) N₂ + 3H₂ 2NH₃

3 moles of hydrogen and 2 moles ammonia.

(a) Calcium hydroxide + Carbon dioxide Calcium carbonate + Water

(b) Aluminium + Copper chloride Aluminium chloride + Copper

(a) NaOH +....... Na₂S0₄ + H₂0

(b) Ca(OH)₂ +.... CaC0₃ + H₂0

(a) Calcium (solid) +Water (liquid) Calcium hydroxide (solution) +Hydrogen (gas)

(b) Sulphur dioxide (gas)+ Oxygen (gas)Sulphur trioxide (gas)

(i) Na + 0₂ Na₂0

(ii) H₂0₂H₂0 + 0₂

(iii) Mg(OH)₂ +HCl MgCl₂+ H₂0

(iv) Fe +0₂Fe₂0₃

(v) Al(OH)₃Al₂0₃ + H₂0

(vi) NH₃ + CuO Cu +N₂+ H₂0

(vii) Al₂(S0₄)₃ + NaOH Al(OH)₃ + Na₂S0₄

(viii) HN0₃ +Ca(OH)₂Ca(NO₃)₂ + H₂O

(ix) NaOH+H₂S0₄Na₂SO₄ +H₂O

(x) BaCl₂+H₂S0₄ BaSO₄+ HCl