Give balanced equation for each of the following. (i) A direct combination reaction for preparation of sulphuric acid. (ii)A thermal decomposition reaction of a salt ,that results in formation of nitrogen gas. (iii) A reaction between Calcium chloride and sodium carbonate. (iv) A photochemical reaction that uses carbon dioxide. (v) A reaction between lead hydroxide and nitric acid. (vi) A reaction that proceeds by absorption of sound.
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