Write Word Equation for the Following Molecular Equation: Cao + H20 → Ca (Oh)2 + δ - Chemistry

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Short Note

Write word equation for the following molecular equation:

CaO + H20 → Ca (OH)2 + Δ

Word equation:

State why [+ Δ ] is not written in the reaction, if ZnO reacts with H2O.

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Calcium oxide + Water→Calcium hydroxide + heat

When ZnO reacts with H20, the equation formed is

ZnO + H20 →Zn(OH)2

+ Δ is not written in the reaction because in this case heat is released not evolved.

Concept: Chemical Equation
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Viraf J. Dalal Class 7 New Simplified Middle School Chemistry
Chapter 5 Language of Chemistry
Chemical Equations | Q 9
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