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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

State Why a Direct Combination Reaction is Called a – ‘Synthesis Reaction’. - Chemistry

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प्रश्न

State why a direct combination reaction is called a – ‘synthesis reaction’.

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उत्तर

When two or more substances [element with element or element with compound or compound with another compound] combine to form a new compound with new properties. Hence direct combination is called a ‘synthesis reaction’.
Example: Hydrogen (a gas) + Oxygen (a gas) combines to form water (liquid).
\[\ce{2H2 + O2->2H2O}\]

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पाठ 6: Chemical Reactions - Exercises
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