Q. 144.1( 18 Votes )

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) + 2H20 (l) Ca(OH)2 (aq) + H2 (g)

Calcium will react with 2 moles of water.

(b) 2S02 (g) + 02 (g) 2S03 (g)

2 moles of Sulphur dioxide and oxygen to give 2 moles of Sulphur trioxide.

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