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Q. 84.4( 182 Votes )

Write the balance

Class 10th NCERT - Science 1. Chemical Reactions and Equations

Answer :

(a) Double displacement reaction (also known as precipitation reaction):-

2KBr (aq) + BaI₂ (aq) → 2KI(q) + BaBr₂ (s)

(b) Decomposition reaction:

ZnC0₃ (s) → ZnO (s) + C0₂ (g)

(c) Combination reaction:

H₂ (g) + Cl₂ (g) → 2HCl (g)

(d) Displacement reaction:

Mg (s) + 2HCl (aq) → MgCl₂ (aq) + H₂ (g)

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