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वियोजन अभिक्रिया को संयोजन अभिक्रिया के विपरीत क्यों कहा जाता है ? इन अभिक्रियाओं के लिए समीकरण लिखिए ।

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संयोजन अभिक्रिया में दो या - दो - से - अधिक पदार्थ मिलकर एक नया पदार्थ बनाते है । जबकि वियोजन अभिक्रिया में एकल पदार्थ वियोजित होकर दो - या दो - से - अधिक पदार्थ देता है । अतः वियोजन अभिक्रिया , संयोजन अभिक्रिया के विपरीत होती है ।
(i) ` {: (2Mg(s),+,O_(2)(g),to,2MgO(s),("संयोजन अभिक्रिया ")),("मैगनीशियम ",,"ऑक्सीजन ",," मैगनीशियम",):} `
(ii) ` {:(CaCO_(3) (s),overset ("ऊष्मा ") to,CaO(s),+,CO_(2),(" वियोजन अभिक्रिया ")),("कैल्शियम कार्बोनेट",,"कैल्शियम ऑक्साइड ",,,):}`

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