1.

Write complete balanced equations for the following reactions : (a) Calcium (solid) + Water (liquid) —–> Calcium hydroxide (solution) + Hydrogen (gas) (b) Sulphur dioxide (gas) + Oxygen (gas) —–> Sulphur trioxide (gas)

Answer»

(a) Ca (s) + 2H2O(l) —–> Ca(OH)2 (aq) + H (g) 

(b) 2SO2 (g) + O2 (g) —–> 2SO3 (g)



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