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201190084IN
Answered

Sodium reacts with chlorine gas to produce sodium chloride. Is this an example of a chemical or physical change? How do you know?

Answer :

No its a physical change .

  • when we put NaCl in water it takes Lattice energy as its a ionic compound and breaks down

[tex]\\ \sf\longmapsto NaCl+Lattice\:Energy\longrightarrow Na^++Cl^-+Hydration\:Energy[/tex]

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